Pandaoo Smart Phone Watch with Universal Unlocked GSM HD LCD Camera Fitness Tracker Bluetooth Mate for Android Smartphones(Black) GSM CELLPHONE: Unlock GSM phone module support standalone phone call & SMS Message,support access internet with GPRS,it working in 2G GSM 850/900/1800/1900 MHz network globally and 3G/4G card downward compatible,Micro SIM Card from Local carrier required FITNESS WATCH: Health tracking Apps include Stopwatch, Sleep monitor, Sedentary Reminder; Music Player, Alarm Clock, Camera, Remote camera control ,Anti-lost. BLUETOOTH SMARTPHONE MATE:Without SIM card,you also could use it connect and communicate with the smartphone(include SAMSUNG galaxy s4/s5/s6/s7 Edge Note 3/4/5 HTC NEXUS SONY LG HUAWEI ZTE ONEPLUS all android 4.2 above phones),make Hands-free phone call, reading the message from your smartphone(SMS, Twitter, Facebook), reminds you the Missing call & Messages when you are busy around. KEY CONFIGURATION: Beautiful 1.54" HD LCD 2.5D RADIAN Capacitive Touch Screen with high resolution and 3 types of watch face selectable,support up to 32GB external MicroSD card storage.removable back cover,350mAh battery, screen protector. MATE FOR Samsung S4/S5/S6/S7 edge/Note 4/Note 5 HTC Sony LG Moto Huawei All Android 4.2 and above smartphones, Bluetooth also mate for Apple iPhone 4s/5/5c/5s/6/6s Plus, but few limitation on iOS (message push, remote camera capture, Anti-lost are not available on iOS)