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Features:

 
Specifications:
Model: M4
Material: Case, medical class ABS+PC Band, Medical class TPU
Unit dimension: about 46.3*18*13.4mm
Band dimension: For age over 13 years
Chipset: NRF51822(CORTEX MO 16MHZ)
Bluetooth: BT 4.0
Display: OLED 0.86 inch
Battery: 180mAh
Waterproof level: IP67 (not suitable to wear for swimming and bathing)
Standby time: up to 8 days
Accelerate sensor: 3 Axis Accelerate Sensor
Heart rate sensor: Static green light heart rate sensor
Blood pressure test: Pulse sport test
Motor: Yes
Operation: Touch
Motion: Yes

Warranty : 1 month

What's in the box:
1 x Smart band
1 x Charging Cable
1 x User Manual