This is a new Bluetooth Smart U8 Watch which is compatible with all Bluetooth V3.0 or above enabled smart phones, tablets and PCs (support Android 2.3 or above),such as iPhone 4, 4S, 5, 5S, Sumsung S3, S4, Note 2, Note 3, Note 4 etc. Dimensions:40*47*9.9mm Color: Red,Black,white (Please inform us the color u want, or we'll send them randomly. Thanks!) Package Includes: 1 x Bluetooth Watch 1 X usb cable 1 X User Manual 1 x Retail box