Function:Passometer,Message Reminder,Sleep Tracker Compatibility:Android,iOS Type:On Wrist Application Age Group:Adult Material::thermoplastic elastomers, aluminum Compatibility:All Compatible Size:34*44*10mm Perfect Smartphone Companion Remote Notifications When there is SMS, incoming call or message from Twitter, Facebook or other applications on the connected phone, the watch will alert you to read them. Bluetooth Sync Connect it to start data synchrinization without cable. Remote Camera You can control your smart phone to take photos and you can enjoy the pleasure of taking photos on your wrist. An OLED Display on the Bracelet It's more convenient to read the time, steps, mileage, calorie and goal. Anti-lost When the Bluetooth is disconnected or the phone is out of the Bluetooth distance, the watch will alert you. Sleep Monitor/Distance/Calorie Measurement To monitor the quality of your sleep, help you monitor the daily movement, such as, distance and calories precisely. Pedometer Count how many steps you have walked, how far you have run and how much calorie you have consumed. You can enjoy doing sports. Sedentary Reminder Set it to remind you to walk or exercise after a long time sit. IPX7 Waterproof Protect ID115 smart bracelet from water (Not for swimming or taking a shower).