GoodBang Fitness Tracker, I5 Plus Touch Screen IP67 Waterproof Smart Bracelet Sports Wristband, Blue Compatible with Android 4.3 or above, download APP "Zeroner" from Google Play store. Attention: iPhone user with IOS 9.0/9.0.1/9.0.2 could not use the bracelet at the moment, the APP is in upgrading Light weight, Touch Screen design, Waterproof IP67, Cloud social circle interaction, Built-in USB charging Gesture Control: The screen will smart light up when you turn over hand, act as traditional watch Muti Functions: tracks steps, distance measurement, calorie management, sleep cycle, alarm etc. Intelligent Notification: vibration alert, never miss a incoming calls or SMS, twitter, facebook, skype etc.