Product Type: Band
Water Resistance Rating: 5 ATM
Display Type: AMOLED
Screen Size: 0.95"
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)
Wristband width: 18mm
Wrist strap material: Thermoplastic polyurethane
Adjustable wrist strap length: 155-216mm
Sensors: 3-axis accelerometer + 3-axis gyroscope;
PPG heart rate sensor;
Capacitive proximity sensor
Wireless connectivity: BT5.0 BLE
Battery: LiPo, 135mAh
Charging Type: 2Pin Pogo Pin
Charging time: ≤ 2 hours
Standby time: Up to 20 days
Motor Type: Rotor
Body material: Polycarbonate
System requirements: Android 4.4, iOS 9.0 or above
Color: Black (As given picture).
Warranty: 1Month Replacement Warranty
Note: Product delivery duration may vary due to product availability in stock.
Disclaimer: The actual color of the physical product may slightly vary due to the deviation of lighting sources, photography or your device display settings.