Activity tracker bands, fashion touch screen bracelet, fitness tracker watch
Functions:

• Blood pressure monitor, dynamic heart rate monitor, pedometer, steps, distance, calories, sleep monitor, hands raise the light up, sedentary, find my device, multi-alarm, running mode, menstruation reminder, messages notifications.

Appearance parameters:

• Colors: black + black, black + silver 
• Watch size: 51mm(L) x 41mm(W) x 12mm(H) 
• Short strap: 85mm, long strap: 125mm 
• Package size: 65mm(L) x 40.5mm(W) x 93mm(H) 
• Watch weight: 39g
• Watch + box weight: 136.2g 
• Carton weight: 7.71kgs

Displayer:
LCD size: 96X64 resolution 0.95 inch, color OLED LCD
Touch screen: single touch + key

Structure:
Battery: 120mAh 
Vibration: yes 
Attend: Bluetooth

Connector:
Charger: magnet pogo pin 
Download cable: no

Hardware:
Hardware platform: NRF52832
RAM/ROM: 64KB + 512KB
Flash: 8M bit 
Dynamic heart rate: PD70-01C-TR7 
Bluetooth: Bluetooth 4.0 
Accelerometer/gyroscope: KX023-1025

Languages:
Chinese, traditional Chinese, English, Japanese, Korean, German, Russian, Spanish, Italian, French, Vietnamese, Portuguese.
 
OS:
iOS 8.0 + & Android 4.4 +