ايه الفرق بين ال Big Data و ال Data Science و ال Data Analysis

Mohamed Elsherif February 8, 2018
Video Thumbnail
Mohamed Elsherif Logo

Mohamed Elsherif

View Channel

About

Software Engineering topics and discussions, podcast and some times video tutorials.

Video Description

مساء الخير ازيكم زي ما وعدتكم المرة اللي فاتت ان شاء الله المرة دي حنتكلم عن الفروق بين مجالات مسمياتها قريبة قوي من بعض و اللي هي Big Data Data Analysis Data Science و حنحاول ندي نبذة عن كل واحد فيهم و ايه المهارات المختلفة اللي محتاج تعرفها علشان تبتدي في المجال ده. ايه هو ال Big Data؟ يمكن في الفترة الأخيرة مصطلح ال Big Data كان عليه دوشة كثير بالذات لما عمرو أديب قال تعريف عجيب ليه أظهره كأنه حاجة شريرة أو سيئة, و طبعاً التعريف ده للأسف ما كانش ليه أي علاقة بالواقع. ال Big Data في النهاية هو مجال هندسي من مجالات هندسة البرمجيات, بيهدف في الأساس لبناء أنظمة تقدر تتعامل مع حجم البيانات الهائل, و لو أخدت بالك احنا هنا ما قلناش نوع التعامل ده ايه, احنا هنا بنتكلم في أساس أي تعامل مع البيانات و اللي بيبتدي عادة بالتخزين, و الأرشفة و البحث و القدرة على انك تعمل عمليات عليها. يعني علشان نقرب المفهوم, قاعدة البيانات اللي احنا كلنا متعودين عليها زي mySQL, PostgreSQL, SQL Server في النهاية بتخزن, و تفهرس و تتيح وسائل للتعامل مع البيانات نفسها, و ده نفس اللي بتعمله ال Big Data Systems برضه, لكن الفرق الأهم هو ان حجم البيانات ضخم جداً, و بالتالي البيانات دي مش متخزنة على سيرفر واحد مثلاً, بل ممكن تبقى عشرات بل مئات الآلاف من السيرفرات اللي كلها بتساهم في بناء نظام ال Big Data بتاعك. من أشهر أنظمة ال Big Data و اللي يمكن أغلب الناس اللي في المجال ده بتستخدمه, هو مجموعة تقنيات Apache Hadoop و زي ما أكيد أخدت بالك اني قلت مجموعة تقنيات, و ده لأنه Hadoop ده تقدر تقول كده انه مظلة لمجموعة كبيرة جداً من التقنيات اللي كل حاجة فيها بتعمل وظيفة معينة و بتساعدك في سيناريوهات معينة. يعني مثلاً, أول حاجة غالباً حتحتاجها في التعامل مع أي بيانات, هو انك تخزنها و تنظمها في حاجة زي ال File System اللي على جهازك, و هنا بيجي دور أول تقنية و هي HDFS و ده اسم ال File System بتاع Hadoop و اللي يعتبر القاعدة الأساسية اللي بتني عليها كل التقنيات التانية, و ده اللي بيسمح بتخزين البيانات و الحفاظ عليها عن طريق ال Redundancy و يديلك abstraction بحيث ما تحتاجش تعرف تفاصيل كثير عن ازاي البيانات و فين البيانات متخزنة او على أي أجهزة بعد ما خزنت البيانات, حتحتاج طريقة تقدر تكتب بيها برامج تشتغل على البيانات دي, و اللي هو بنسميه Programming Model, و ال Programming Model اللي بتستخدمه في ال Big Data يمكن اشهرهم على الاطلاق هو MapReduce و ده اللي بيخليك تقدر تكتب برامج, طبعاً ده موضوع كبير لوحده.طبعأً Hadoop فيه مكونات أساسية أكثر من كده بكثير, زي ZooKeeper و Yarn و فوق ده كله فيه تطبيقات مشهورة زي Hive و اللي بتخليك تقدر تعامل البيانات اللي على Hadoop كأنها قاعدة بيانات و تكلمها بلغة شبه ال SQL جداً اسمها HQL, و حاجات تانية زي Hbase و غيرها كثير جداً من التقنيات اللي لا يسع المجال دلوقتي اننا نتكلم فيها. الفكرة لو بصيت على ده كله, حتكتشف انها في النهاية كلها ادوات و تقنيات للتعامل مع البيانات, لكن نوعية التعامل ده ايه مش مشكلة ال Big Data نيجي لل Data Analysis و ال Data Science علشان نفهم الاتنين, محتاجين الأول نوصل الفكرة ان ال Data Science هو مجال بيختص بكل ماله علاقة بالبيانات, سواء بيانات Structured أو لأ, سواء محتاجة شوية تجهيز الأول, الهدف الأساسي لل Data Scientist هو انه يبحث في البيانات عن الدرر, زي الأنماط اللي بتتكرر و اللي على أساسها ممكن نتوقع حاجة تحصل في المستقبل, و ده غالباً بيكون عن طريق تطوير Models و ال Models دي ممكن تكون مبنية على حاجات زي Mathematical models, Statistical models, Machine learning, deep learning كل دي طرق مختلفة لبناء ال models اللي حتساعده انه من خلال البيانات اللي معاه دلوقتي يقدر يتوقع حاجات تحصل في المستقبل. ال Data Scientist عمومأً بيبقى خلفيته رياضية أو احصائية مع ال Computer Science, و ده طبعاً بيخليهم نادرين و الطلب عليهم كثير لأن الخلطة دي من المهارات مش سهلة قوي. و فيه مثل مشهور Data Scientist: A person who is better at Statistics than any Software Engineer, and better at Software Engineering than any Statistician و أغلب الصناعات و المجالات اللي بتتعامل مع بيانات كثير بتحتاج ناس تقدر تطلعلهم النوع ده من ال insights من البيانات, زي المؤسسات المالية, و شركات السوشيال ميديا, و التسويق و المبيعات و غيرها من المجالات. ال Data Analyst هو شخص بيتعامل مع البيانات بشكل يومي و غالباً من خلال ادوات جاهزة, زي Tableu أو حتى Excel, الفكرة انه أغلب الوقت بيكون هدفه هو الوضع الحالي أكثر من ايه اللي حيحصل في المستقبل, يعني أسئلة زي احنا عملنا مبيعات النهاردة بكام, أو عندنا كام عميل جديد, أو السنة دي مقارنة بالسنة اللي فاتت عملنا فلوس قد ايه, كلها بيانات و أسئلة مهمة, لكن أغلبها بتكون اسئلة اجابتها موجودة في البيانات أو محتاجة عمليات احصائية بسيطة, مش بالضرورة يكون عنده خلفية برمجية, و ان كان من المتوقع انه يكون عنده القدرة على التعامل مع قواعد بيانات أو البرامج الخاصة بده, مع خلفية احصائية. يعني لو حبينا نقول أكبر فرق بين ال Data Scientist و ال Data Analyst هو ان ال Data Scientist مشغول باستقراء المستقبل و ال Data Analyst مشغول بتقييم الواقع و الماضي. ده كان موضوعنا الأسبوع ده, مستنيين مقترحاتكم و اسئلتكم, و ان شاء الله نرجعلكم بموضوع جديد قريب. شكراً و ما تنساش تعمل Like و Subscribe و تفعل الجرس علشان يجيلك Notifications أول ما ينزل فيديو جديد. سلام Our facebook Page http://facebook.com/askdeveloper On Sound Cloud http://soundcloud.com/askdeveloper Please Like & Subscribe

You May Also Like

Upgrade Your Everyday

AI-recommended products based on this video

Loading...
Kasa Smart Outdoor Smart Plug by TP-Link (KP400) - Smart WiFi Outlet with 2 Sockets, IP64 Waterproof, Works with Alexa and Google Home, 2.4GHz WiFi Required, No Hub Required, Sunset & Sunrise Offset

Kasa Smart Outdoor Smart Plug by TP-Link (KP400) - Smart WiFi Outlet with 2 Sockets, IP64 Waterproof, Works with Alexa and Google Home, 2.4GHz WiFi Required, No Hub Required, Sunset & Sunrise Offset

(28,846)
$21.99$17.99
FREE delivery Wed, Aug 20 on your first order
1K+ bought in past month
Loading...
Wireless Earbuds, Sports Bluetooth Headphones, 80Hrs Playtime Ear Buds with LED Power Display, Noise Canceling Headset, IPX7 Waterproof Earphones for Workout/Running(Black)

Wireless Earbuds, Sports Bluetooth Headphones, 80Hrs Playtime Ear Buds with LED Power Display, Noise Canceling Headset, IPX7 Waterproof Earphones for Workout/Running(Black)

(299)
$32.99
Prime
Loading...
Wireless Earbuds, Bluetooth 5.4 Headphones HiFi Stereo with 4 HD Mic, 50H Playtime Bluetooth Earbuds with LED Display, IPX7 Waterproof Wireless Earphones, Touch Control Ear Buds,USB-C White

Wireless Earbuds, Bluetooth 5.4 Headphones HiFi Stereo with 4 HD Mic, 50H Playtime Bluetooth Earbuds with LED Display, IPX7 Waterproof Wireless Earphones, Touch Control Ear Buds,USB-C White

(228)
$26.99
Prime
Loading...
Wireless Earbuds, Bluetooth Ear Buds 5.4 Mini HiFi Stereo with 4 ENC Noise Cancelling Mics Wireless Headphones, in Ear Earphones 40H IP7 Waterproof, USB C, Bluetooth Earbuds for Sports, Gym, Rose

Wireless Earbuds, Bluetooth Ear Buds 5.4 Mini HiFi Stereo with 4 ENC Noise Cancelling Mics Wireless Headphones, in Ear Earphones 40H IP7 Waterproof, USB C, Bluetooth Earbuds for Sports, Gym, Rose

(323)
$31.99
FREE delivery Wed, Dec 3 on your first order
500+ bought in past month
Loading...
soundcore P31i by Anker, Real-Time Adaptive Noise Cancelling, Hi-Res Sound, Translation Earbuds, 50H Playtime, Wireless Earbuds, Bluetooth Earphones, Spatial Audio, Fast Charging, IP55 ClimatePartner certified

soundcore P31i by Anker, Real-Time Adaptive Noise Cancelling, Hi-Res Sound, Translation Earbuds, 50H Playtime, Wireless Earbuds, Bluetooth Earphones, Spatial Audio, Fast Charging, IP55 ClimatePartner certified

(105)
$39.99
FREE delivery Thu, Nov 27
Loading...
Brita Stainless Steel Premium Filtering Water Bottle, BPA-Free, Reusable, Insulated, Replaces 300 Plastic Water Bottles, Filter Lasts 2 Months or 40 Gallons, Includes 1 Filter, Carbon - 20 oz.

Brita Stainless Steel Premium Filtering Water Bottle, BPA-Free, Reusable, Insulated, Replaces 300 Plastic Water Bottles, Filter Lasts 2 Months or 40 Gallons, Includes 1 Filter, Carbon - 20 oz.

(2,652)
$81.37$76.36
FREE delivery Sep 29 - Oct 2
Loading...
Simple Modern Filtered Water Bottle | Insulated Stainless-Steel Carbon Filter Travel Water Bottles | Reusable for Clean Drinking Water On The Go | 24oz, Sea Glass Sage

Simple Modern Filtered Water Bottle | Insulated Stainless-Steel Carbon Filter Travel Water Bottles | Reusable for Clean Drinking Water On The Go | 24oz, Sea Glass Sage

(26)
$30.13
FREE delivery Tue, Sep 23 on your first order
Loading...
FITVII Health & Fitness Tracker (Answer/Make Calls), Smart Watch with 24/7 Heart Rate and Blood Pressure, Sleep Tracking Monitor, 120+ Sport Mode Activity Tracker

FITVII Health & Fitness Tracker (Answer/Make Calls), Smart Watch with 24/7 Heart Rate and Blood Pressure, Sleep Tracking Monitor, 120+ Sport Mode Activity Tracker

(198)
$59.99
FREE delivery Sun, Aug 10
100+ bought in past month
Loading...
AYATAHA AYATAHA Smart Watch for Kids, Smartwatch Fitness Tracker for Boys Girls, Children's Activity Watch 37 Sports Modes SMS Notification, HD Full Touchscreen IP67 Waterproof, Blue

AYATAHA AYATAHA Smart Watch for Kids, Smartwatch Fitness Tracker for Boys Girls, Children's Activity Watch 37 Sports Modes SMS Notification, HD Full Touchscreen IP67 Waterproof, Blue

(55)
$41.99
PrimeFREE delivery Sat, Jun 14
Loading...
Iaret Iaret Smart Watch for Women, 1.83" HD Fitness Tracker with 4 Bands, Answer/Make Calls, Heart Rate/Sleep/SpO2/Step Tracking, 100+ Sport Modes, Android/iPhone Compatible Gift (Rose Gold)

Iaret Iaret Smart Watch for Women, 1.83" HD Fitness Tracker with 4 Bands, Answer/Make Calls, Heart Rate/Sleep/SpO2/Step Tracking, 100+ Sport Modes, Android/iPhone Compatible Gift (Rose Gold)

(42)
$59.99
FREE delivery Thu, Jun 19
100+ bought in past month
Loading...
Smart Watch for Men Women 1.8" Fitness Tracker, Bluetooth Call, DIY Dial, Heart Rate Sleep Blood Oxygen Monitor, 100+ Sports Modes, IP68 Waterproof Smartwatch for Android iPhone, Alexa Built-in

Smart Watch for Men Women 1.8" Fitness Tracker, Bluetooth Call, DIY Dial, Heart Rate Sleep Blood Oxygen Monitor, 100+ Sports Modes, IP68 Waterproof Smartwatch for Android iPhone, Alexa Built-in

(980)
$39.99
FREE delivery Sun, Sep 21
300+ bought in past month
Loading...
Hand Warmers 2 Pack, 14000mAh Rechargeable Hand Warmers, Electric Hand Warmer Reusable, Portable Power Bank USB Hand Warmers 4 Levels 8 Heating, Gifts for Raynauds Ski Golf Camping

Hand Warmers 2 Pack, 14000mAh Rechargeable Hand Warmers, Electric Hand Warmer Reusable, Portable Power Bank USB Hand Warmers 4 Levels 8 Heating, Gifts for Raynauds Ski Golf Camping

(683)
$74.08$59.47
FREE delivery Jun 13 - 18
Loading...
Hand Warmers Rechargeable, 10000mAh Electric Heated Gloves Power Bank Portable Graphene Handwarmers Pouch with 3 Levels & Double-Sided Heating for Hunting Camping Golf Xmas Gifts for Women Men Kids

Hand Warmers Rechargeable, 10000mAh Electric Heated Gloves Power Bank Portable Graphene Handwarmers Pouch with 3 Levels & Double-Sided Heating for Hunting Camping Golf Xmas Gifts for Women Men Kids

(651)
$44.99
PrimeFREE delivery Sun, Jun 15
Loading...
2Pack Rechargeable Hand Warmer, 8000mAh Electric Hand Warmer Power Bank, Portable USB-C Hand Warmer for Pocket, Reusable Hand Warmer Up to 8 hrs Each, Warm Gift for Men Women, for Hunting, Camping
Amazon's Choice

2Pack Rechargeable Hand Warmer, 8000mAh Electric Hand Warmer Power Bank, Portable USB-C Hand Warmer for Pocket, Reusable Hand Warmer Up to 8 hrs Each, Warm Gift for Men Women, for Hunting, Camping

(1,128)
$15.99
FREE delivery Sat, Jun 14 on your first order
Loading...
GTOCE Portable Charger,40000mAh Power Bank with 22.5W Fast Charging LED Digital Display Battery Pack with 6 Outputs 2 Inputs, Type C Powerbank Portable Charger for iPhone 16 pro Samsung AirPods,Black

GTOCE Portable Charger,40000mAh Power Bank with 22.5W Fast Charging LED Digital Display Battery Pack with 6 Outputs 2 Inputs, Type C Powerbank Portable Charger for iPhone 16 pro Samsung AirPods,Black

(334)
$42.99
FREE delivery Thu, Oct 16
1K+ bought in past month
Loading...
YMZ Smart Watch for Men Women, IP68 Waterproof, Bluetooth Calling, Fitness Tracker, Sleep Monitoring, 1.85'' DIY Dial, AI Built-in, 100+ Sports Modes, 7 Days Battery, Compatible with Android & iPhones

YMZ Smart Watch for Men Women, IP68 Waterproof, Bluetooth Calling, Fitness Tracker, Sleep Monitoring, 1.85'' DIY Dial, AI Built-in, 100+ Sports Modes, 7 Days Battery, Compatible with Android & iPhones

(331)
$49.99
FREE delivery Thu, Jun 19
1K+ bought in past month
Loading...
Smart Watch for Men Women 1.8" Fitness Tracker, Bluetooth Call, DIY Dial, Heart Rate Sleep Blood Oxygen Monitor, 100+ Sports Modes, IP68 Waterproof Smartwatch for Android iPhone, Alexa Built-in

Smart Watch for Men Women 1.8" Fitness Tracker, Bluetooth Call, DIY Dial, Heart Rate Sleep Blood Oxygen Monitor, 100+ Sports Modes, IP68 Waterproof Smartwatch for Android iPhone, Alexa Built-in

(980)
$39.99
FREE delivery Sun, Sep 21
300+ bought in past month
Loading...
Smart Watch for Men Women with Bluetooth Call, Alexa Built-in, Heart Rate & Sleep Monitor, 1.83" DIY Dial Fitness Watch with 100+ Sport Modes, IP68 Waterproof, Compatible with Android iOS

Smart Watch for Men Women with Bluetooth Call, Alexa Built-in, Heart Rate & Sleep Monitor, 1.83" DIY Dial Fitness Watch with 100+ Sport Modes, IP68 Waterproof, Compatible with Android iOS

(182)
$49.99
FREE delivery Fri, Oct 31
2K+ bought in past month
Loading...
Smart Watch for Men Women with Bluetooth Call, Alexa Built-in, Heart Rate & Sleep Monitor, 1.83" DIY Dial Fitness Watch with 100+ Sport Modes, IP68 Waterproof, Compatible with Android iOS
Best Seller

Smart Watch for Men Women with Bluetooth Call, Alexa Built-in, Heart Rate & Sleep Monitor, 1.83" DIY Dial Fitness Watch with 100+ Sport Modes, IP68 Waterproof, Compatible with Android iOS

(142)
$44.99
FREE delivery Tue, Oct 21
Loading...
Hydroponics Growing System Indoor Garden - Herb Garden with Grow Light, 15 Pods Stainless Steel Indoor Garden Kit, Auto Timer, Gardening Gift for All Ages

Hydroponics Growing System Indoor Garden - Herb Garden with Grow Light, 15 Pods Stainless Steel Indoor Garden Kit, Auto Timer, Gardening Gift for All Ages

(24)
$206.57$200.61
FREE delivery Jun 13 - 17
Loading...
Umbra Triflora Hanging Planter for Window, Indoor Herb Garden, Set of 5, White/Black

Umbra Triflora Hanging Planter for Window, Indoor Herb Garden, Set of 5, White/Black

(7,808)
$71.52
PrimeFREE delivery Sat, Jun 14
Loading...
Large Hydroponics Growing System 14 Pods, Indoor Herb Garden with LED Grow Light, 5L Water Tank, Hydroponic Grow Kit with 3 Auto-Timers, Rotatable Light Panel and Child Lock for Home School Gardening

Large Hydroponics Growing System 14 Pods, Indoor Herb Garden with LED Grow Light, 5L Water Tank, Hydroponic Grow Kit with 3 Auto-Timers, Rotatable Light Panel and Child Lock for Home School Gardening

(119)
$167.81
FREE delivery Jun 16 - 20
Loading...
Hanging Planter Hanging Plant Holder, 6 Inch 4 Indoor Plant Pots, Wall/Window Plant Hanger Indoor Herb Garden

Hanging Planter Hanging Plant Holder, 6 Inch 4 Indoor Plant Pots, Wall/Window Plant Hanger Indoor Herb Garden

(269)
$35.99$28.90
PrimeFREE delivery Sat, Jun 14
Loading...
Ninja Air Fryer Pro 5-in-1, 5 QT Capacity, Air Fry, Bake, Roast, Reheat, and Dehydrate, Air Crisp Technology, Nonstick Basket & Crisper Plate, Grey, AF142C

Ninja Air Fryer Pro 5-in-1, 5 QT Capacity, Air Fry, Bake, Roast, Reheat, and Dehydrate, Air Crisp Technology, Nonstick Basket & Crisper Plate, Grey, AF142C

(650)
$100.99
FREE delivery Thu, Oct 16
500+ bought in past month
Loading...
Glass Oil Sprayer for Cooking, 180ml Olive Oil Sprayer Bottle with Brush, Olive Oil Spray Mister, Kitchen Gadgets Accessories for Air Fryer, Canola Oil Spritzer (GREY)

Glass Oil Sprayer for Cooking, 180ml Olive Oil Sprayer Bottle with Brush, Olive Oil Spray Mister, Kitchen Gadgets Accessories for Air Fryer, Canola Oil Spritzer (GREY)

(2,436)
$7.99
FREE delivery Mon, Jun 16 on your first order
Loading...
Hi.FANCY Portable Laptop Stand with Dual Cooling Fans for 14-17inch Laptops, Grey, 23.5 x 25.9 x 0.95cm

Hi.FANCY Portable Laptop Stand with Dual Cooling Fans for 14-17inch Laptops, Grey, 23.5 x 25.9 x 0.95cm

(0)
$36.99
FREE delivery Aug 18 - 28
Loading...
Laptop Stand for Desk, Adjustable Laptop Riser ABS+Silicone Foldable Portable Laptop Holder, Ventilated Cooling Notebook Stand for 10-15.6” Laptops,Tablet-Black

Laptop Stand for Desk, Adjustable Laptop Riser ABS+Silicone Foldable Portable Laptop Holder, Ventilated Cooling Notebook Stand for 10-15.6” Laptops,Tablet-Black

(11,679)
$14.99
FREE delivery Sat, Jun 14 on your first order
500+ bought in past month
Loading...
JETech 5 in 1 Case for Samsung Galaxy S25 Ultra 5G with 2-Pack Each Tempered Glass Screen Protector and Camera Lens Protector, Non-Yellowing Shockproof Bumper Phone Cover (Clear)

JETech 5 in 1 Case for Samsung Galaxy S25 Ultra 5G with 2-Pack Each Tempered Glass Screen Protector and Camera Lens Protector, Non-Yellowing Shockproof Bumper Phone Cover (Clear)

(197)
$15.99
FREE delivery Sat, Jun 14 on your first order
100+ bought in past month
Loading...
TAURI for iPhone 17 Pro Max Case 6.9" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard

TAURI for iPhone 17 Pro Max Case 6.9" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard

(0)
$10.76
FREE delivery Thu, Oct 16 on your first order
2K+ bought in past month
Loading...
TAURI for iPhone 17 Pro Case 6.3" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard
Best Seller

TAURI for iPhone 17 Pro Case 6.3" with 1-Pack Screen Protector, Camera Lens Full Protection, Military-Grade Protection, Shockproof Transparent Back Bumper Phone Cover - Clear Global Recycled Standard

(61,696)
$10.76
Prime
2K+ bought in past month
Loading...
JOINPAYA 1Set Rechargeable Hand Warmer Hand Heater for Winter Heating Levels Compact

JOINPAYA 1Set Rechargeable Hand Warmer Hand Heater for Winter Heating Levels Compact

(0)
$9.29
FREE delivery Jun 20 - Jul 4
Loading...
Shakven Rechargeable Hand Warmer | Cute Comfortable Portable Hand Warmers,Ergonomic Adjustable Energy-Efficient Small Heater for Travel, Outdoor, Winter

Shakven Rechargeable Hand Warmer | Cute Comfortable Portable Hand Warmers,Ergonomic Adjustable Energy-Efficient Small Heater for Travel, Outdoor, Winter

(0)
$26.93
FREE delivery Jun 19 - Jul 2
Loading...
OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

(50)
$39.99
PrimeFREE delivery Sat, Jun 14
Loading...
OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

OCOOPA IP45 Waterproof Hand Warmer Rechargeable, Up to 15hrs Heat,10000mAh Durable Quick Charge Electric Hand Heater, PD Compatible, 3 Levels for Outdoors, Heavy Duty, H01-PD PRO

(649)
$39.99
PrimeFREE delivery Sat, Jun 14