Waterproof grade: IP67 (washing hands) Wristband size: total length 210MM; adjustable length 120-200MM Wristband material: thermoplastic elastomer + stainless steel Battery capacity: Lithium polymer 90MAH Charging battery life: 2 hours of charging; 3-7 days of use; 15 days of standby Main functions: exercise record (step counting; distance; calorie calculation); exercise mode; message push; information storage; heart rate monitoring; sleep monitoring; blood pressure measurement; blood oxygen saturation measurement; stopwatch; full font language; color screen display. Step count; sleep; real-time heart rate; smart alarm clock; shake to take pictures Personal information; raise your hand to brighten the screen; sedentary reminder Call push; SMS push; QQ push; WeChat push; add more push Support 10 languages: Chinese; English; Traditional; Japanese; Korean; French; German; Russian; Polish; Spanish

Color Screen Smart Bracelet With Heart Rate Blood Pressure Bluetooth Smart Watch Pedometer Smart Wristband