Enrgo(TM) Bluetooth Wear Smart Watch Wrist Wrap Touch Watch For IOS Apple iphone 4/4S/5/5C/5S ,Android Samsung Galaxy S5 S4 S3 Note 2 Note 3 HTC M7/M8 Smart Phone Imported 2014 New Version Bluetooth Smart U Watch ,compatible with all Bluetooth V2.0 or above enabled smartphones, tablets and PCs (support Android 2.3 or above),such as iPhone 4, 4S, 5, 5S, Sumsung S5 S3, S4, Note 2, Note 3, Note 4 etc Screen Size: 1.48" Capacitive Touch Screen TFT LCD , 26 million color TFT,240  320 resolution, high-definition display Attention:An intelligent synchronous APK software is needed to be installed on the android smart phone Anti-lost alarm function: When cellphone left watch alarm automatically, after a certain distance to avoid lose the phones Android System can support all function in the description; BUT IOS only support: Passometer, Calendar, Call Sync,Calculator,Clock,Stopwatch