The fitness band uses Bluetooth 5.0 BLE which offers an improved range, connectivity speed and efficiency
0.95 inch AMOLED colour display that pushes 120 x 240 pixels resolution on an AMOLED screen
5ATM water resistant rating ( up to 50 meters )The fitness band uses Bluetooth 5.0 BLE which offers an improved range, connectivity speed and efficiency
Come with a 135mAh battery and it is rated to last more than 20 days on a single charge
Focus on your health,built-in heart rate record, sleep monitor, sedentary reminder, etc.
135mAh battery capacity offers up to 20 days standby time
Warranty: 1 Year
1 Xiaomi Mi Band 4 Smart Watch Fitness Tracker
1 USB Charging Cradle
1 English Manual
Display: AMOLED (0.95-inch)
Resolution: 120 x 240 RGB (24bit colour depth)
Screen: Capacitive touch
Screen Brightness: up to 400 nits (max.)
Sensor: 3-axis accelerometer / gyroscope / PPG heart rate
Connectivity: Bluetooth 5.0 BLE
Battery: Lithium Ion Polymer (135mAh)
Battery Life: up to 20 days
Sleep Monitor: Yes
Mi Fit (companion app) requires:
Android 4.4 or higher.
iOS 9.0 or higher.
Product weight: 0.0221 kg / 0.048 lbs
Product size (L x W x H): 4.68 x 1.78 x 1.26 cm / 1.84 x 0.700 x 0.49 inches
Xiaomi Mi Band 4 Smart Watch Fitness Tracker User Guide
For English manual, please click here.