Smart Bracelet Heart Rate Blood Pressure Monitoring Blood Oxygen IP68 Waterproof

Battery capacity:200 mAh

OLED 0.95inches

Weight：50g

Compatible system：Bluetooth 4.0 Android 4.4 or above IOS 8.0 or above

waterproof: IP 68

Standby time:30days

Working time:10-15 days

Multi language push.

Band width 20 mm ,easy to change .