Waterproof IP67?? can be used when swimming or shower</br>Oled smart touch screen design?? easy access to every function</br>Capture your continuous wrist-based heart rate?? with no chest strap required</br>Track steps?? distance?? calories burned?? support sedentary remind and calls message alert</br>App "Watch" compatible with Android 4.4 IOS 7.0 or higher os please refer the User Manual before use</br></br>Product Description</br></br><b>Zomtop trademark has been registered in US also registered on Amazon.</b><br><br> <b>Prior to use must be connected to the phone and synchronizationPlease read the instructions carefullyHave any questions please contact us promptly.</b><br><br> <b>Features:</b><br> 1 precise dynamic test heart rate heart rate measurements 8 seconds<br> 2 professional pedometer function<br> 3 accurate monitoring of sleep<br> 4 the normal mode can be used normally seven days under continuous heart rate mode test 12 hours<br> 5 sleep monitoring: deep sleep / light sleep sleep quality monitoring long and when you sleep no Sound alarm clock to wake you up at the same time will not wake the people around him<br><br> <b>Package include:</b><br> 1 x Fitness Tracker<br> 1 x USB charger<br> 1 x User Manual<br><br> <b>Note:</b><br> 1. Waterproof IP67 can be used when swim or shower<b>(up to 30min in water)</b><br> 2. The screen will auto light up and display time when you turn over hand?? it remains black when there's no activity.</br><br/>http://www.amazon.com/gp/product/B01DM8RJO6eest f