Fitness activity tracker watch, heart rate blood pressure monitor, waterproof sports fitness tracker watch, smart bracelet wristband
For Android iOS (for children men and women)

B57 Smart Watch Function Parameters

1, screen resolution; 240 * 240
2, watch body display function:
A, time display, battery icon display, date display, week display
B, standard sports functions (step counting, distance, calories), multiple sports modes (walking, running, cycling, skipping, badminton, basketball, football, swimming)
C, health check-up function: heart rate, blood pressure test, blood oxygen test (can save the last 7 records)
D, sleep time display, screen brightness adjustment, music control, motor vibration switch, history message storage (3)
3, reminder function: call, SMS, QQ, WeChat reminder (display content and name). Facebook, Whatsapp, Twitter, Skype and other global social software reminders. Alarm clock (three sets of alarm clocks), sedentary reminder.
4, smart anti-lost: find the watch. (No disconnect reminder)
5.Motion track: Android support
6, APP health measurement: heart rate, blood oxygen, blood pressure, measurement. Heart rate monitoring throughout the day (displayed as a bar, recording the highest and lowest heart rate values)
7.Remote camera: Support long-press watch remote camera
8, other functions: Do not disturb mode, raise your hand to brighten the screen, set the time format, restore the factory, long press to reject the call, three clock interface options
Music control (support previous song, next song, play / pause), weather display, Apple health.

B57 Smart Watch Language Parameters

  1, APP supports languages; Ukrainian, Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean
  2. Languages ​​supported by the watch; English, Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Traditional Chinese, Ukraine, Italy, Portugal.

B57 Smart Watch Hardware Parameters

1, system requirements; Android 4.4 and above, IOS 9.0 and above, support Bluetooth 4.0
2, display; 1.3-inch IPS color
3.Bluetooth version; BLE 4.0
4, main control chip; NRF52832
5, memory; 32M
6, battery capacity; 180 mAh
7, standby time; about 25 days
8, working time; about 7 days
9, unlock; capacitive touch screen unlock
10, waterproof rating; IP67
11, sensor; triaxial sensor / green light heart rate sensor

B57 Smart Watch Appearance Parameters

1, with screen size; (1.14-inch IPS color screen)
2, watch material; PC case + plastic bottom case
3, strap material; TPU
4, screen size; 1.3-inch IPS color
5, product color; black, white, pink

B57 Smart Watch Package Parameters

  1.Packing box size (mm); 117mm * 85mm * 46mm
2, single gross weight (g) with packing box; B57C: 119g
3, single watch net weight (g); 27g
4, stand-alone size (mm) without strap length, width and thickness;
5, cartoon box size (cm;); 25CM * 26CM * 44CM
6, total weight (kg); 50pcs; 6.2KG

Overseas neutral packaging, envelope content can be customized. This product has original pictures in Chinese, English and packaging, and is available free of charge to bulk customers.

Smart Bracelet B57 Smartwatches Smartwatch Bands Activity & Fitness Trackers Pedometers Accurately measure blood pressure Breathable Strap Smart Bracelet Wristband Smart Watch B57 Heart Rate Monitor moreFit Fitness Tracker Smart Watch Waterproof Fitness Watch Activity Tracker Heart Rate Monitor Wearable Smart Bracelet Sleep Monitor Fitness Tracker Women Smart Fitness Watch Activity tracker Calorie counter
Function Parameter
Raise The Hand On The Screen Support
Incoming Call Vibration Reminder
SMS SMS, QQ, WeChat reminder (display content and name) / Facebook, Whatsapp, Twitter, Skype, etc. Foreign social software reminders.Alarm clock (three sets of alarm clocks), sedentary reminder.
Heart Rate Monitoring Support
Blood Pressure Monitoring Support
Blood Oxygenation Test Support
Pedometer Support
Alarm Clock Vibration Reminder
Sports Function standard sports functions (step counting, distance, calories), multiple sports modes (walking, running, cycling, skipping, badminton, basketball, football, swimming)
Find The Bracelet Vibration Reminder
Screen Setting Function screen brightness adjustment capacitive touch screen unlock
Photo Control support long-press bracelet remote control mobile phone camera
Music Control music control (support the previous song, the next song, play / pause)
Sedentary Reminder Vibration Reminder
Sleep Monitoring Support
Other Functions Do not disturb mode, raise your hand to brighten the screen, set the time format, restore the factory, long press to reject the call, three clock interface options,Weather shows that apples are healthy. / time display, battery icon display, date display, week display
Hardware Parameters
Display Screen 1.3-inch IPS color screen
CPU NRF52832
Resolution 240 * 240
RAM 32M
Touch Screen single touch
Bluetooth version:BLE 4.0
Heart Rate Sensor HRS 3300
Battery capacity:180 mAh
Motor built-in, vibration reminder
G-SENSOR triaxial sensor / green light heart rate sensor
Charging Charging clip charging
System Support Android 4.4 and above, IOS 9.0 and above, support Bluetooth 4.0
Language Parameter
APP Language Ukrainian, Russian, German, Italian, Japanese, French, Simplified Chinese, Traditional Chinese, English, Portuguese, Spanish, Arabic, Korean
Machine Language English, Chinese, Japanese, Korean, German, French, Spanish, Arabic, Russian, Traditional Chinese, Ukraine, Italy, Portugal.
Appearance Parameters
Colour strap: black, pink, white / dial: black
Machine Weight 27g
Machine Size 48.9mm * 34.5mm * 11.7mm
Material case: PC / Bottom hull:Plastics / strap: PTU
Waterproof Level IP67
Certified Product CE, FCC, ROHS, quality inspection report, appearance patent
Packing Parameters
Package Weight 119g
Package Size 117mm * 85mm * 46mm
Carton Weight 6.2KG
Carton Size 25cm * 26cm * 44cm
Packing Quantity Per Carton 50 Sets

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Smart Watch B57

  • Brand: YOTOON
  • Product Code: B57
  • Availability: In Stock
  • $25.7100


  • 2 or more $12.8600
  • 101 or more $12.1400
  • 1001 or more $11.4300

Available Options


Tags: Smart Bracelet, Smartwatches, Smartwatch Bands, Pedometers, Accurately measure blood pressure, Breathable Strap, Smart Bracelet Wristband, Heart Rate Monitor, Smart Watch, Waterproof Fitness Watch, Activity Tracker, Heart Rate Monitor, Wearable Smart Bracelet, Sleep Monitor, Sport Tracker, Fitness Tracker, Calorie Counter, smart watch for kids, smart watch for men, smart watch for women