Function: 127 exercise modes, call reminder, search bracelet, alarm clock, photo control, do not disturb mode, OTA, blood oxygen monitoring, blood pressure monitoring, all-day heart rate monitoring, sleep detection, sedentary reminder, QR code download, recovery Factory settings Continuous monitoring: This is a unique wearable fitness device that offers continuous monitoring of physiological data, including heart rate, blood pressure, blood oxygen, daily activity and sleep so you can better understand overall health and wellness status and track their progress over time. APP compatible system IOS&Android: Android4.4 (inclusive) or above, IOS9.0 (inclusive) or above Colour:Blue Material:Silicone APP name: QWatch Pro Battery capacity: 150mAh Waterproof level: 1ATM waterproof Charging time: 2 hours Standby time: 45-60 days General usage time: 20-30 days Charging method: Magnetic suction CPU model: Realtek 8762ESF Bluetooth version: BT5.2 Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * Smart Health Wristband 1 * USB Cable 1 * English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.