HD Display: High sensitive capacitive touch screen;perfect match technology</br>Phone Function: Make phone call directly from the smart watch??including answering and dial-up?? and support making calls through Bluetooth or smart watch</br>Camera function: Remote on/off mobile phone camera keys to shoot pictures</br>Sleep and excersize monitor: it could monitor of your sleeping status and walking distance and so on</br>This smart watch support SIM card (GSM/GPRS 850/900/1800/1900) and memory card up to 16GB. Package Includes:1 x A1 Smart Watch;1 x USB Cable</br></br>Product Description</br></br><b>Functions:</b><br> Dial/answer phone calls. You could dial or answer phone calls through this device<br> Receive and se"message<br> Playing mp3 music and mp4 video of your watch: If you put your TF card in it?? you could play mp3 music by using this watch<br> Pedometer: Calculation of the walking distance of time and the number of kilometers<br> Anti lost: Watch will shake alarm after keep away from the mobile phone for a certain distance<br> Sleep monitor: It could monitor whether your sleeping is well or not<br> Sedentary remind: You could set it to remind yourself to walk or exercise while you are sitting for a long time<br> Camera: 3.0MP 720P: Remote on/off mobile phone camera keys to confirm completed pictures<br> Alarm: Support<br> Stopwatch??Calen