| General | Brand: XiaoMi Model: XiaoMi Mi Band 4 Bluetooth version: 5.0 (Low energy) Waterproof Rating: 5ATM Color: Black Compatability: Android 4.4, iOS 9.0 or above |
| Special Features | Health tracker: Measurement of heart rate,Sleep management,Pedometer,Calories burned measuring,Steps counting,Distance recording,Sedentary reminder Other functions: Stopwatch, Alarm clock, Timer, Find my phone, Phone unlock, Event reminder, Do not disturb mode (works even without phone), Lock screen, Music controls on band Alert type: Vibration Sensors: 3-axis accelerometer, 3-axis gyroscope, Capacitive proximity sensor, Optical heart rate sensor |
| Display | Screen: 0.95 inch Color AMOLED Display Resolution: 120*240RGB Touch key: Yes |
| Battery | Battery type: Lithium polymer battery Battery capacity:135mAh Standby time: About 20 days |
| Material | Mi-core material: Plastic + Alloy Case material: TPEE Band material: TPU |
| Weight and Size | Band total length: 247 mm Adjustable length: 155-216 mm Product size (L x W x H): 21.6 x 10.8 x 12 mm Product net weight: 22.1g Product weight With Package: 83g |
| Package Contents | 1 x Mi Smart Band 4, 1 x Wrist strap, 1 x Specialized charging cable, 1 x User guide |