A88+ Bluetooth 4.0 Smart Watch Heart Rate Monitor Blood Oxygen Monitor for iOS iPhone Android - Purple

Features Equipped with Power Pulse technology, it can real-time track your dynamic heart rate frequency of human body movement for viewing Built-in dynamic monitoring, it can record your dynamic curve in order to build a healthy body Automatic track your sleeping time and analysis sleep quality by a chart and you can even set an alarm clock to wake you up by vibration to avoid disturbing family Just need 2 hours charging time and get 30 days standby time, but it just can be used for 5 - 7 days under using case WeChat, SMS ( just support iOS system ), calls, alarm, etc Just suitable for washing hands or face, not for swimming or showering Specifications Model A88+ Screen Size 0.66 inch OLED Screen with 64 x 48 Resolution Ratio Chip TAIWAN + Nordic 51822 Chip Bluetooth Version Bluetooth 4.0 Health Tracker Heart Rate Monitor, Pedometer, Sleep Monitor Notification Yes Notification Type Wechat Anti-lost Yes Alert Type Vibration Other Function Alarm Screen OLED Scr