Item DescriptionMaterial: ABS，TPUColor:Blue，Black，Orange，GreenBluetooth:BT4.0Time/Date/Week，Pedometer，Sleep ModeStandby Time:72 hours OS Requirement: For IOS 7.0 and above or Android 4 and abovePackage Included: 1 x Smart Bracelet，1 x USB Adapter? Attention : As different computers display colors differently， the color of the actual item may vary slightly from the above images， thanks for your understanding.