Xiaomi MI Smart Band 4 Smart Watch

• Weight : 22.1g
  
• 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
• RAM : 512KB
• ROM : 16MB
• 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
• App : Mi Fit
• System requirements : Android 4.4, iOS 9.0 or above

**06 Month Warranty.

The Xiaomi Mi Smart Band 4 is a lightweight and stylish fitness tracker with a 0.95-inch color AMOLED touchscreen that is bright and easy to read. Weighing only 22.1 g, it is 5 ATM water-resistant, so you can wear it while swimming or in wet conditions.

It offers 24/7 heart rate monitoring, sleep tracking, step counting, calorie tracking, and supports multiple activity modes like walking, running, cycling, and swimming. The 135 mAh battery can last up to 20 days on a single charge.

The band works with Android (4.4+) and iOS (9.0+) via its companion app, letting you receive notifications, control music, and customize watch faces. Overall, the Mi Smart Band 4 is an affordable, compact, and reliable fitness tracker that covers all the essential features.