The B57 Smart Watch is an impressive watch with a many fitness and medical functions. More than that it has a beautiful display with a variety of screen selections. 

Features and Specifications 

Model: B57
Standby time: for about 25 days
Working time: about 7 days
Mechanism: Yes
SIM Card Available: No
System: None
GPS: No
Type: On Wrist
Compatibility: All Compatible
Functions: Passometer, Fitness Tracker, Sleep Tracker, Mood Tracker, Message Reminder, Call Reminder, Remote Control, Push Message, blood pressure watch, APP Health Measurement, Smart Anti-Drop, Reminder function, hand-held bright screen, long and hold rejected calls, weather display
Rear Camera: None
Language: English, Russian, Spanish, Polish, Portuguese, Turkish, Italian, French, German
RAM: <128MB
Waterproof Grade: Life Waterproof
Multiple Dials: No
Battery Capacity: 180-220mAh
CPU Model: NRF52832
Style: Sport
Movement Type: Electronic
Screen Shape: Square
Resolution: 240*240
APP Download Available: Yes
Case Material: Rubber
CPU Manufacturer: Mediatek
Display Size: 1.3 inch color screen
Band Material: Rubber
Application Age Group: >16 years
Battery Detachable: No
Band Detachable: Yes
Gender: For men or women
Wristband: Electronic wrist watch
Battery capacity: 180-220mAh
Memory: 32MB
Screen display: 1.3-inch IPS color
Bluetooth: BT4.0
Compatible phone systems: Android 4.4 and above, IOS 9.0 or above

Packing List:

1* Bracelet
1* Instruction Manual
1* Charging Cable

Important Notes: 

• The watch does not come with an independent charger. You can use any USB phone charger or laptop USB port to charge the device.
• Please download the mobile phone APP before use.
• Do not use your smart bracelet in salt water, hot or warm water.
• Wearable devices monitor human activity through electronic sensors. They are at the level of consumer electronics. It is normal to have some deviation. Users must treat this data objectively. Do not compare it to professional equipment.

• Before use, scan the QR code in the manual to download the app and connect it to the watch in the app.