Feature 1. Equipped with a 1.72-inch runway-shaped display, a four-sided screen, and a 2.0mm ultra-narrow frame, the symmetrical aesthetics are elegant. The global brightness is increased to 1500nits, and the display effect is still clearly visible under the scorching sun outdoors. 2. For the first time, it is equipped with a self-developed adaptive vital sign perception algorithm, which is deeply optimized based on user behavior data information to achieve more accurate sleep monitoring. 3. 150+ sports modes, from cycling, running, to indoor swimming, and dancing, can more accurately track various data, including maximum oxygen uptake, recovery time, training effect, training load and other advanced indicators. 4. Professional swimming mode: real-time heart rate monitoring; AI swimming posture recognition + nine-axis posture turn detection, accurately record the number of swimming laps, with an accuracy rate of 95%. 5. Bluetooth heart rate broadcast: heart rate can be pushed to the cycling meter in real time, and heart rate data can be viewed without raising the wrist, which is convenient and safer. 6. 24-hour health monitoring, blood oxygen, heart rate monitoring, sleep monitoring.
Specifications 1. Model: M2457B1 2. Screen size and type: 1.72-inch AMOLED screen 3. Screen resolution: 212x520, supports full-screen touch 4. Screen brightness: 1500nits, supports automatic adjustment 5. Cover material: 2.5D tempered glass 6. Shell material: aluminum alloy middle frame + fiber high-strength polymer 7. Sensors: acceleration, gyroscope, geomagnetism, optical heart rate and blood oxygen and ambient light sensors 8. Waterproof level: 5ATM 9. Wireless connection: Bluetooth 5.4 10. Vibration motor: linear motor 11. Battery: 233mAh lithium-ion polymer 12. Charging time: about 60min 13. Adjustable wristband length: 135-210mm 14. Wristband material: TPU 15. System language: Simplified Chinese, Traditional Chinese, English 16. Support system: Android 8.0 and iOS14 and above 17. Supported APP: Xiaomi Sports Health 18. Dimensions: 46.57x22.54x10.95mm 19. Weight: 15.95g (without strap) 20. Battery life: 21 days
