Xiaomi Redmi Band 3 Smart Band, 1.47 inch, Heart Rate / Blood Oxygen Health Monitoring

1. 1.47-inch large screen, 60Hz refresh rate, smooth viewing and smooth touch
2. Built-in battery, 18 days of endurance, stable sense of security
3. Ultra-thin and ultra-light body, simple and stylish, comfortable to wear
4. 24-hour health monitoring, blood oxygen, heart rate monitoring, sleep monitoring
5. 100+ personalized dials to match at will

Specifications:
1. Product model: M2434B1
2. Product size: 45.90x26.94x9.99 mm
3. Main body net weight: About 16.5g (without wristband)
4. Screen size and type: 1.47-inch TFT
5. Screen resolution: 172 x 320 pixels, supports full-screen touch operation
6. Cover material: tempered glass cover
7. Sensor: acceleration sensor, optical heart rate and blood oxygen sensor
8. Wireless connection: BluetoothTM 5.3 (BLE low-power Bluetooth)
9. Battery capacity: 300mAh
10. Battery type: Lithium-ion polymer battery
11. Charging time: Less than 2 hours
12. Vibration motor: rotor motor
13. Waterproof level: 5ATM
14. Adjustable wristband length: 135 - 215mm
15. Shell material: Fiber high-strength polymer
16. Wristband material: TPU
17. System language: Simplified Chinese, Traditional Chinese, English
18. Support system: Android 8.0 or iOS 12.0 and above