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  2. M4 Smart Watch Sport Armband, Fitness Tracke
M4 Smart Watch Sport Armband, Fitness Tracke

M4 Smart Watch Sport Armband, Fitness Tracke

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Type: M4 (Global Version)

Screen Size: 0.95"

Wrist Strap Material: Thermoplastic polyurethane

Adjustable Wrist Strap Length: 155-216mm

Wristband Width: 18mm

Water Resistance Rating: 5 ATM

Display Type: AMOLED

Resolution: 120 x 240 RGB

Colour Depth: 24bit

Screen Brightness: Up to 400 nits (max brightness), brightness adjustable

Touchscreen Type: On-cell capacitive touchscreen

Screen Protection: 2.5D tempered glass with anti-fingerprint coating

Button: Single Touch Button (wake up, go back)

Wrist Strap Type: Removable wrist strap

(Mi Smart Band 4 is compatible with Mi Band 3 straps)

RAM: 512KB



-3-axis accelerometer + 3-axis gyroscope;

-PPG heart rate sensor;

-Capacitive proximity sensor

Wireless Connectivity: BT5.0 BLE

Battery: LiPo, 135mAh

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