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 Screen Resolution 64 x 48 Operating Mode Touch Screen Type of Battery Li-polymer Battery Battery Capacty 100mAh Charging Time About 2 Hours Shape of the Dial Rectangle Case Material ABS Band Material Silicone Compatible OS Android, iOS Compatability Android 4.4 / iOS 8.0 and above System Language English,Simplified Chinese Dial Size 4 x 3 x 1 cm / 1.57 x 1.18 x 0.39 inches Band Size 26 x 1.9 cm / 10.24 x 0.75 inches Product Size (L x W x H): 26.00 x 3.00 x 1.00 cm / 10.24 x 1.18 x 0.39 inches Package Includes 1 x Smart Wristband 1 x Charging Cable 1 x User Manual ?