Body Weight: about 31.5g (excluding the weight of the wristband)

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

Body Size: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 size and type: 1.97 inches, AMOLED color square screen

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

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

*5ATM waterproof level (equivalent to a depth of 50 meters underwater), suitable for swimming in pools, shoals and other shallow water activities.

Wear it, but it is not suitable for hot showers, saunas and diving, and you need to avoid direct impact of high-speed water during water sports; the waterproof function is not permanently effective and may weaken over time.

Bluetooth™ 5.3

Vibration motor: support

Battery capacity: 470mAh

Battery type: lithium-ion polymer battery

Charging time: about 85min

*Charging time test data comes from Xiaomi laboratory. In actual use, charging time is related to various factors such as ambient temperature and battery life, and may differ from the laboratory data.

Applicable wrist size: 135mm - 205mm

Wristband material: TPU

system language

Simplified Chinese, Traditional Chinese, English

support system

Xiaomi HyperOS, Android 8.0 or iOS 12.0 and above

Support APP

Xiaomi Sports Health