Xiaomi Mi Band 4 Main Features:
- 0.95-inch AMOLED color touch screen display with 120 x 240pixels, up to 400 nits brightness, 2.5D scratch-resistant glass
- Displays time, heart rate, steps are taken and other modes.
- NFC supports for Alipay in China.
- 5 ATM water resistant rating ( up to 50 meters ) and it also comes with built-in heart rate monitoring
- 24hours heart rate detection.
- Sedentary alert, that gives you an alert via vibration to remind you to take a walk when idle for a long time.
- Feature a built-in microphone with Xiao AI voice assistant that can control Xiaomi Smart Home ioT accessories easily.
- Have 6-axis high-precision sensor and comes with 6 sports modes, can track swimming data in real time, and supports smart stroke recognition.
- More accurate sleep quality recording including deep sleep and light sleep.
- Display’s time or steps when you life up to your hand.
- Skin friendly materials have been used for the strap.
- Ultra-light 20 grams body.
- Body Material: Plastic.
- Band material: Thermoplastic elastomer.
- Wristband material: Thermoplastic elastomer.
- Wrist buckle material: aluminum alloy.
- Sensors: 6-axis accelerometer, PPG heart rate sensor.
- Battery Capacity: 125mAh.
- Standby time approximately: 15 days.
- Black, blue, red, brown, pink, orange colors.
- Support Android 4.4 or above and iOS 9.0 or above.