Notice: 1. Generaly, smart phone via Bluetooth device can easily complete the binding process, but sometimes may interrupted caused by the far distance of the two devices or instability Bluetooth device connectivity. Please go to your phone -- settings --Bluetooth, find your I5 plus bracelet, click "ignore device", then re-enter the app software binding. 2. Please don't press the bracelet when charging. 3. The app software is named zeroner, Android smartphone can search it through google play, IOS smartphone can search it on app store. Compatibility: The Smart Wristband only supports the following selected mobile devices: IOS: OS must be IOS7.0 or Above, Bluetooth 4.0; Such as: iPhone 4S, 5, 6, 6Plus iPod touch5,etc. Android: OS must be Android4.3 or Above, Bluetooth 4.0; Such as: Samsung S4, Note3, etc. Dial and Band: Shape of The Dial: Rectangle Case Material: PC Band Material: TPU Size: The Dial Thickness: 0.9 cm / 0.35 inches The Dial Diameter: 1.9 cm / 0.75 inches The Band Width: 1.9 cm / 0.75 inches Package Contents: 1 x I5 Plus Smart Wristband, 1 x USB Cable, 1 x Chinese and English Manual Main Features 1. Display Health Parameters This Smart Bracelet can diaplay the time, steps, distance and calorie clearly. Let you know your sports data right now! 2. Snyc Sports Data When bluetooth paired, you can sync your data to Andriod Phone (OS must be 4.3 or above and Bluetooth must be V4.0) and ios phone (ios must be 7.0 or above and Bluetooth must be V4.0). It gives you real-time assessment of your exercise throughout the day. 3. Sleep Monitoring Accurately monitor total effective sleeping time and motions every night (including light sleep and deep sleep). 4. Call / SMS Reminder When you have calls or SMS, the smart bracelet will vibrate to remind you. for Andriod Phone (OS must be 4.3 or above and Bluetooth must be V4.0); for ios phone (ios must be 7.0 or above and Bluetooth must be V4.0) 5. Remote Capture You can take photos of whole family without