Product name: Xiaomi Redmi Watch 4

Dimensions--------- 47.58 × 41.12 × 10.5 mm (excluding heart rate boss)

*The actual size may vary depending on configuration, manufacturing process,
and measurement methods. Please refer to the actual product.

Screen--------- 1.97 inch AMOLED Color Square Screen

Screen Resolution--------- 390 × 450, supports full-screen touch operation

Screen Brightness--------- up to 600nits, supports automatic brightness adjustment

Cover Material--------- 2D straight screen glass cover

Shell Material--------- Aluminum alloy middle frame + stainless steel crown + fiber high-strength polymer

Sensor--------- Accelerometer,Gyro sensor,Optical heart rate and blood oxygen sensor,ambient light sensor, geomagnetic sensor

Waterproof Level--------- 5ATM

Bluetooth--------- Bluetooth™ 5.3

GPS--------- Support GNSS, Beidou, GPS, GLONASS, Galileo, QZSS five major satellite systems

Vibration Motor--------- Support

Battery Capacity--------- 470mAh

Charging Time--------- about 85min

Applicable Wrist Size--------- 135mm - 205mm

Wristband Material--------- TPU

System Language--------- Simplified Chinese, Traditional Chinese, English,More languages will be update later!

Supported Systems--------- Xiaomi HyperOS, Android 8.0 or iOS 12.0 and above

Support APP--------- Mi Fitness

Chinese Version How to use:

1. Change app region to china so can pair with the app.

If you want to use English, have to change phone language to English. The mi band 8 pro will sync the system language of the phone.

If you change to Non English language, it will reset to Chinese.

2. NFC Only can working fine in China, Not sure if it can be used in your country.