Colorful Smart Bracelet: 0.96 inch OLED touch screen, turn wrist screen bright, IP67 life waterproof function, ultra thin ergonomic design gives you extreme experience and fashion style makes you more eye-catching. FITNESS FUNCTION: heart rate monitor, blood pressure monitor, pedometer, calories,distance counter,GPS trail,sedentary reminder, sleep monitor with comprehensive analysis. Sleep Monitor: Automatically track how long and how well you sleep, and set a silent alarm to wake with a small vibration, you can view the trend to improve sleep quality, just like your health assistant OTHER FUNCTION:calls,SMS,SNS,notification sync.alarm alter, anti-lost,waterproof,Bluetooth.