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B57 blood pressure tracker fitness tracker waterproof heart rate Bluetooth smart bracelet
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B57 blood pressure tracker fitness tracker waterproof heart rate Bluetooth smart bracelet

- black

16.14 $16.99 5% OFF
    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: Oct 21 - Oct 25, 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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Main Features


1. Bracelet display function: time display, battery icon display, date display, week display, standard action function (step, distance, calorie) various sports modes (walking, running, cycling, jumping, badminton, basketball), football, Swimming), heart rate, blood pressure detection, oxygen detection in the blood, display sleep time, adjust brightness screen, music control.

2. Callback function: incoming call, SMS, QQ, WeChat callback (display content and name). Facebook, Whatsapp, Twitter, Skype and other foreign social software, alarm clocks (three sets of alarm clocks), reminders for sedentary reminders.

3. Other functions: intelligent anti-lost, remote photography, do not disturb mode, lift your hand to the bright screen, time format setting, restore factory settings, long press to reject incoming calls, select three clock interfaces, music control (previous song Support, next song, play/pause), weather display, etc.


2. Chip: NRF52832

3. Bluetooth: BT4.0

4. Compatible system: Android 4.4 and higher, IOS 9.0 or higher

5. Waterproof: IP67

6. Screen: 1.3 inch IPS color resolution: 240 * 240

7. Touch: One Touch

8. Battery: 180mAh

9. Charging: magnetic charging

10. Charging time: about 1.5H

11. Standby: about 25 days working time: about 7 days

12. Bracelet material: PC shell + plastic shell

13. Product Size: Approx. 48.9 * 34.5 * 11.7mm / 1.92 * 1.35 * 0.46in

14. Product net weight: about 25.7 grams

15. Support language APP: Ukrainian, Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean


1. Please charge before use!

2. Do not use the smart bracelet in sea water, hot water or hot water!

Packing List:

1 * bracelet

1 *Instruction

1 * charging cable


Waterproof Grade
Life Waterproof
Screen Type
Color LCD
Band Material
Application Age Group
Passometer,Fitness Tracker,Sleep Tracker,Message Reminder,Call Reminder
Touch Screen
All Compatible
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Customer Reviews

5 out of 5
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See all 3 reviews Write a Review
  • Robson Gama
    Produto de ótima qualidade e que atendeu a minha expectativas. Comprei por causa do design que não decepcionou de forma alguma. além de ter sido super rápido pra chegar. Muito satisfeito.

    Oct 01,2019

  • cpalacio
    fast and pretty smartwacth
    beautiful and excellent smartband, delivery and service customer efficient, i recommend this product

    Sep 26,2019

  • Renato
    Relógio top
    Funcionando perfeitamente fiquei satisfeito

    Sep 05,2019

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