LeexGroup&reg; 2PCS U8 Bluetooth Smart Watch Phone for Android System HTC ONE M7 Sony Xperia Samsung Galaxy S2/S3/S4/S5 Note 2/Note 3 i9100 i9220 i9300 i9500 i9600 N7100...Couple Watch Best Birthday Gift 3 Colors:Red/White/Black;(Default is Red+Red); Dial Size: 4.6 x 4.2 x 1cm / 1.81 x 1.65 x 0.39 inch; Package includes: 2 x Bluetooth Watch;2 x User Manual; 2x USB Cable; Android System can support all function in the description; Other System can only support partial function; IOS only support:Passometer,Calendar,Call Sync,Calculator,Clock,Stopwatch.