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USB Plug / Heart Rate / Call SMS Remind / Calories Consumption / Sleep Monitoring
    COD This product supports COD on delivery. Suggestions: Do not place orders with non-COD products, otherwise you will not be able to choose COD payment method.
    Ship between: Dec 06 - Dec 08, Estimated Shipping Time: business days Order Processing Time may require a few days. Once dispatched from warehouse, Shipping (or Delivery) Time depends on the Shipping Method.
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  • interest-free You can enjoy a maximum of 0 interest-free installments, and may not enjoy this offer when placing orders with other products
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Comparing with MGCOOL Band 2 and MGCOOL Band 3, MGCOOL Band 4 can not only show time, date, and heart rate, but also show week, and even detachable dial's USB charging function. MGCOOL Band 4 are the results of progress. So, would you like to join us to witness the new MGCOOL Band?

Main Features:
USB Charging: the detachable dial comes with USB plug, can directly charge, not need any charging cable
Heart Rate Monitoring: with an optical heart rate sensor, it can 24-hour continuously monitor the heart rate
Support Multiple Languages: English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Thai, Traditional Chinese
Notifications Push: support WhatsApp, Line, Facebook, Twitter, Kaokao Talk, Weibo, QQ, etc.
Raise your wrist, light the screen
APP Download: Wearfit 2.0 ( search it in the App Store or Google Play to download it )
Four custom theme interfaces



Screen: OLED
Bluetooth Version: Bluetooth 4.0
Built-in chip type: Nordic 51822
Screen size: 0.96 inch
Operating mode: Touch Key
ROM: 256KB


Alert type: Vibration
Bluetooth calling: Phone call reminder
Find phone: Yes
Groups of alarm: Multiple ( sync with the cellphone )
Health tracker: Heart rate monitor,Pedometer,Sedentary reminder,Sleep monitor
Locking screen : 4
Messaging: Message reminder
Notification: Yes
Other Function: Stopwatch
Notification type: Facebook,Kaokao Talk,Line,QQ,Twitter,Wechat,Weibo,WhatsApp


Battery Capacity: 90mAh
Charging Time: About 2hours
Standby time: About 20 days ( not use ) / About 7 - 10 days ( use )
Type of battery: Li-ion Battery

Dial and Band

Band material: TPU
Case material: PC
Shape of the dial: Rectangle
Dial size: 4.50 x 2.20 x 1.10 cm / 1.77 x 0.87 x 0.43 inches
Band size: 25.20 x 2.20 cm / 10.04 x 0.87 inches


Compatible OS: Android,IOS
Language: English,French,German,Italian,Japanese,Korean,Portuguese,Russian,Simplified Chinese,Spanish,Thai,Traditional Chinese
Available Color: Black,Blue

Dimensions and Weight

Product weight: 0.0263 kg
Package weight: 0.1250 kg
Product size (L x W x H): 25.50 x 2.20 x 1.10 cm / 10.04 x 0.87 x 0.43 inches
Package size (L x W x H): 10.00 x 10.00 x 6.00 cm / 3.94 x 3.94 x 2.36 inches

Package Contents

Package Contents: 1 x Strap, 1 x English User Manual

MGCOOL Band 4 Smart Wristband Heart Rate Sedentary Remind Sports Monitor Call Reminder Watch - Black

MGCOOL Band 4 Smart Wristband Heart Rate Sedentary Remind Sports Monitor Call Reminder Watch - Black

MGCOOL Band 4 Smart Wristband Heart Rate Sedentary Remind Sports Monitor Call Reminder Watch - Black

MGCOOL Band 4 Smart Wristband Heart Rate Sedentary Remind Sports Monitor Call Reminder Watch - Black

MGCOOL Band 4 Smart Wristband Heart Rate Sedentary Remind Sports Monitor Call Reminder Watch - Black

MGCOOL Band 4 Smart Wristband Heart Rate Sedentary Remind Sports Monitor Call Reminder Watch - Black

MGCOOL Band 4 Smart Wristband Heart Rate Sedentary Remind Sports Monitor Call Reminder Watch - Black

FAQ for Smart Watch and Wristband
1. Q: I can’t charge my watch / bracelet and it doesn’t power on, what should I do?
A: If this is the first time you’ve charged your watch / bracelet, please use the adapter to power it, charge it for more than 3 hours, then press the button to start it;
If you have not used the watch / bracelet for a long time without charging it, the battery would have opened the UVP function. In this situation, you need to activate the battery before using. (You can go to the phone repair shop to activate the battery).

2. Q: Why can’t I connect with Bluetooth?
A: 1. If the phone's Bluetooth version is lower than the watch's / bracelet’s, they will
not be able to pair;
2. If the phone's Bluetooth version is equal to or higher than the watch's / bracelet’s, but is initially unable to pair, then you need to clear the Bluetooth connection history on the phone, scan and re-connect again.

3. Q: The watch / bracelet icon shows that it has paired over Bluetooth, however the APP cannot sync data. How do I resolve this?
A: Generally it is caused by the Bluetooth of the phone. Please close the APP first, restart the Bluetooth connection and re-pair the two devices. If the above step does not work, please restart your phone and try to pair the devices again.

4. Q: Why does my watch / bracelet frequently lose connection with my phone?
A: Please check if your phone or other security software has set the APP as a trusted APP or not. This is required to pair the two devices. If it hasn’t, please set it as trusted APP and try again.

5. Q: Why am I unable to connect with the APP?
A: Please making sure the OS of your phone is within the range that the smart watch / bracelet supports.

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Customer Reviews

4.58 out of 5
  • 15
  • 8
  • 1
  • 0
  • 0
See all 24 reviews Write a Review
  • Jignesh S
    Yes (0) Color: Blue
    Excellent Gearbest Service
    I gave 5 star rating for Gearbest Service. With priority line shipping product delivered to me in 5 days in india.. Thats really fast..Now come to product bracelet build quality is excellent with super bright display which seems quite Scratch resistant and water resistant to some extent.. Strap is very soft a d skin friendly.. Look wise is best looking bracelet..Step counter is 90% accurate its count hand movement also which increased unnecessary step count.. Unfortunately my bracelet heartbeat senser os not working bit gearbest help very fastlly to resolve the isse, the fastest service i have seen.. Really appreciate..Looking forward to buy again

    Sep 02,2018

  • Natanael Nascimento
    Yes (0) Color: Black
    - Bom custo-benefício
    - Muito bonita (excelente design)
    - Belo acabamento
    - Pulseira bem adaptável
    - Permite troca de pulseira (não inclui pulseira extra)
    - Possui cronômetro
    - Vem com película de proteção
    - A bateria dura bastante
    - Várias interfaces de tela inicial
    - Mede os batimentos cardíacos constantemente
    - Não é completamente a prova d'água (resiste apenas a respingos)
    - O aplicativo precisa melhorar muito
    - A caixa não vem lacrada (apesar disso, não falta nenhum item)

    Jun 15,2018

  • Александр
    Yes (0) Color: Black
    Смарт браслет MGCOOL Band 4 от Gearbest
    Хороший смарт-браслет, брал по флешсейл за 1000 рублей.
    Отличное качество!
    Хорошая цена!
    Быстрая доставка!
    Рекомендую однозначно!

    Feb 07,2018

  • Wojciech
    Yes (1) Color: Black
    MGCOOL Band 4
    -shows burned calories
    -the app is very personalized(weight, height, age etc.)
    -long battery life and short charge-up time
    -no facebook messenger notifications
    -the app is not so customizable (notifications, alerts etc.)
    -alarm clock does not work when the smartphone is off or in hibernation state
    -it is compatible only with one app

    Mar 06,2018

  • Vinicius Lima
    Yes (0) Color: Blue
    Muito pratico e intuitivo.
    Excelente produto com custo benefício ótimo, fácil de usar e configurar no celular, fácil vinculação com Google fit e complemento de app.
    A bateria em uso mediano dura uma em semana em média, tem total funcionamento com o celular, nas ligações aparece quem está ligando e nas mensagem às informações, além de tirar fotos com movimento do braço e encontar celular com simples toque.
    Perfeito adorei a pulseira

    Aug 05,2018

FAQ for MGCOOL Band 4

Customer Questions

  • All(2)
  • Product Information(1)
  • Stock Status
  • Payment
  • About Shipping
  • Others(1)

hello Dear MY name is amine laatiri i have a channel youtube please give me product make review and thank you

By amine Feb-01/2018 23:09:25

Hello amine,Please kindly contact our Youtube team via email here:

Does it support andoird 8?

By vasyan Nov-21/2017 21:03:20

Hello vasyan,Compatability: Android 4.4 / iOS 8.0 and above systems . Let me know if you need any further assistance. 

2 Questions & Answers View All

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There are two key factors which will affect the time you receive your items.

Item processing time
After receiving your order,we require some time to test the product to ensure its quality.The exact processing time varies depending on the item.The average processing time is 3 working days.but this can also be affected by the item's stock status. For small quantity orders,the processing time is 1-3days while larger quantity orders may require 2-5days.
Shipping methods
China Warehouse:
Shipping Type Country or Region Arrive within 1-7 Days Arrive within 8-15 Days Arrive within 16-30 Days Arrive within 31-45 Days Average Time (Days)
Unregistered Air Mail or Registered Air Mail United States 0.52% 44.87% 49.88% 3.5% 18.13
Spain, United Kingdom, Italy, Germany, France & Portugal 5.18% 43.44% 48.34% 1.17% 15
Netherlands, Greece, Poland, Hungary, Slovakia, Czech Republic 2.96% 40.34% 52.54% 3.74% 18.66
Russia 0% 4.45% 84.41% 11.1% 28
Japan, Korea 0% 21.30% 68.80% 9.66% 17.75
Brazil 0% 0% 23.91% 72.09% 38.6
Turkey 0% 37.75% 59.05% 3.1% 20.33
Thailand, Singapore & Malaysia 0% 40.39% 56.12% 2.6% 16.2
Other countries 0.7% 38.79% 47.94% 8.56% 23.57
Priority Line United States 12.28% 79.05% 7.4% 0.52% 11.75
Spain, United Kingdom, Italy, Germany, France & Portugal 8.44% 66.56% 23.45% 0.45% 13.55
Russia 0% 3.48% 75.79% 20.04% 31
Brazil 2.21% 6% 61.29% 25.46% 30
Turkey 20.42% 77% 3% 0.08% 10
Australia 7.67% 86.60% 5.68% 0% 11
Korea 97.54% 1.57% 0.89% 0% 7
Japan 95.80% 2.09% 0% 0% 6.84
Thailand, Singapore & Malaysia 58.96% 41.04% 0% 0% 8.45
Other countries 22.33% 30.8% 27.62% 17.64% 18.65
Expedited Shipping ALL countries(EMS) 3.8% 46.8% 26% 15% 14.8
ALL countries(DHL) 65.8% 25.75% 3.86% 0.37% 6.72
GW Warehouse: Typically 3-5 days to the UK, 3-7 days to other European countries.
USA Warehouse: Generally, 3-7 days to a USA address.
ES Warehouse: Generally, 2-5 days to the Spain, 3-7 days to the Portugal.
Shipping from warehouse nearest to shipping address is faster. Additional charges may apply.
Note: This is a general guide and delays maybe caused force majeure, natural disasters, inclement weather, war, public holidays, and factors outside our control. Generally speaking, we offer free shipping for MGCOOL Band 4 to United States (US, USA), United Kingdom (UK, GB), Germany, Italy, France, Spain, Portugal, Poland, Brazil, Russia, Japan, Greece, Austria, Hungary, Slovakia, Czech Republic, Ireland, Lithuania, Israel, Denmark, Norway, Sweden, Canada, Australia, Netherlands, Korea, Turkey, Mexico, Ukraine, Romania, Columbia, Thailand, Singapore, Malaysia etc. Please choose the shipping methods for the final price.

Payment accepts PayPal,Credit Cards,Wire Transfer,Westem Union, YandexMoney,Webmoney,Boleto,OXXO and BKM as secure payment methods.

The most convenient payment method in the world.
Wire transfer
For orders which exceed $1,500,please contact us at
Note: please email us the order number,the amount transferred along with currency type,and the exact date of the wire transfer.
Western Union
Please contact us at for details.
Note: please email us the following information after you have paid via Westem Union:
· Control Number(10 digits)
· The exact amount sent along with the currency
· Name of sender.
· Address of sender
YandexMoney、 Webmoney
With YandexMoney and Webmoney, it is convenient and safe for you to pay via credit card、wallet or cash
For Brazil customers, we accept Boleto: you only need to fill in the payment information, remember your Boleto Voucher information and pay it within 3 days at any Boleto stores.
For Mexico customers, we accept OXXO: you can choose OXXO payment on our website, and then remember your OXXO Voucher information and pay it within 3 days at any OXXO stores.

Do you want to bulk buy ? Please submit your wholesale inquiry below. Please note we usually don’t offer free shipping on wholesale orders, but the wholesale price will be a big bargain.

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