Compatible System: Only support for Android 5.1/Windows OS installed in it.</br>Wireless Connectivity: 3GBluetooth 4.0GPSGSMWiFi</br>Functions: Find Phone Pedometer Heart rate measurement Sedentary reminder Water remainder GPS Gravity sensor Remote control music (S99 itself dosen't have the function playing music. )</br>Wifi Smart watchmake fashion and science closer.</br>Health lifeeasy to manage Heart rate report everyday.</br></br>Product Description</br></br><br><b>Parameters:</b><br>Display: 1.33 inch screen <br>CPU: MTK6580 Quad Core 1.3GHz<br>GPU: Mali-400MP <br>Compatible System: Android 5.1<br>Cores: 1.3GHzQuad Core <br>RAM+ROM: 512MB + 8GB<br>External Memory: Not Supported<br>Bluetooth: V4.0<br>SIM type: Nano SIM<br>Battery:450mAh Built-in<br><br><b>Network:</b><br>Network type: GSM+WCDMA <br>Frequency: GSM 850/900/1800/1900MHz WCDMA 850/2100MHz<br>Wireless Connectivity: 3GBluetooth 4.0GPSGSMWiFi <br>WIFI: 802.11b/g/n wireless internet<br>Note: No remote camera function of S99.<br><br><b>Additional Features:</b> 2G3GAlarmBluetoothCalendarGPSMP3NotificationPeopleSound Recorder??Wi-Fi<br><br><b>Languages: </b><br>Japanese?? Simplified/Traditiona