Tera E02 Bluetooth Smart OLED Bracelet Wristband Watch Cell Phone Mate Pedometer Blue with Sleep Steps Distance Calorie Tracking Move Incoming Call Reminder Functions In-call and message with number notice for Android (for IOS, display in-call only without number). Synchronous data to mobile applications. Steps, distance and calorie counting. Fitness goal setting and fitness information sharing. Sleep time and quality tracking. Task and every 30mins move alert and cell phone lost (out of range) warning. Watch and clock alarm function. Camera/video remote. Suitable for mobile phone with Android OS 4.3 and above , IOS 7.0 or above, BT 4.0. Please refer to the user's manual to check the exact specifications before using.