U Watch U8 Smartwatch Bluetooth Watch Answer and Dial the Phone Passometer Altitude Meter Burglar Alarm. This is a new Bluetooth Smart U Watch U8 which is 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 S3, S4, Note 2, Note 3, Note 4 etc. Buy this product and Get Free Shipping + Save 44% OFF for U Watch U8 Smartwatch Bluetooth Watch with Answer and Dial the Phone Passometer Altitude Meter Burglar and Alarm.