Waterproof Smart Watch


B57 smart watch heart rate monitor blood pressure waterproof watch multiple sports mode smartwatch women wearable watch men smartwatches

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  • Exquisite Design:Large screen blood pressure bracelet with rounded square screen design, simple atmosphere, worn on the wrist, more conveys. Out of your temperament, let you love it.
  • Save 7 Measurement Records: Blood pressure detection, heart rate detection, timing monitoring, directly through the bracelet. The sensor uses a variety of monitoring functions to keep track of your current body. The status can be adjusted according to the data detected by the bracelet.
  • Blood Pressure Monitoring:No need to use a mobile phone, bring a bracelet to directly monitor blood pressure, base blood pressure monitoring method for pulse conductivity technology, measured by a wristwatch blood pressure and display on the screen.
  • Heart Rate Monitoring: resting heart rate: manually measuring each heart rate, real-time monitoring: set to real-time monitoring status, let the bracelet continuously monitor heart rate precise step counting.
  • Precise Step Counting:Steps, mileage, calories are all available, for you to accurately record every day. Motion frequency and trajectory are useful for each action, and can also be used with WeChat synchronous sharing, more accurate and reliable.
  • Message Call Content Display:Bracelet supports incoming calls, SMS, QQ, WeChat reminder (display content and name) can remind you to view the information in time, don't worry Mista's contact.
  • Support multiple languages, support 13 kinds of language display
  • 30 words per screen, larger fonts, easier to read
  • 1.3-inch screen, large size screen display
  • IPS color screen, enrich your vision


  • APP support languages: Ukrainian, Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, English, Portuguese
  • Compatible system: Android 4.4 and above, IOS 9.0 or above
  • Product size: about 48.9*34.5*11.7mm/1.92*1.35*0.46in
  • Standby: 25 days or so Working time: 7 days or so
  • Screen: 1.3 inch IPS color Resolution: 240*240
  • Bracelet material: PC case + plastic case
  • Net weight of the product: about 25.7g
  • Product model: B57 smart bracelet
  • Charging: Magnetic charging
  • Charging time: about 1.5H
  • Waterproof rating: IP67
  • Touch: Single touch
  • Battery: 180 mAh
  • Bluetooth: BT4.0
  • Chip: NRF52832

Our Guarantee

We truly believe we carry some of the most innovative products in the world, and we want to make sure we back that up with a risk-free ironclad 30 days guarantee.

If you don't have a positive experience for ANY reason, we will do WHATEVER it takes to make sure you are 100% satisfied with your purchase.

Buying items online can be a daunting task, so we want you to realize that there is absolutely ZERO risk in buying something and trying it out.  If you don't like it, no hard feelings we'll make it right.

We have 24/7/365 Email Support.  For any questions, click the contact us at the bottom of the page to send our team an email!

Due to OVERWHELMING DEMAND, we only have a Limited Amount In Stock.