Apltch 400 400PX Bluetooth K10 Smart Watch Phone 3D Cambered Sapphire Lens Support SIM Wifi Bluetooth GPRS SMS Wifi GPS Google Play Store App Support Sync With Andriod Phones-Black Support SIM Wifi Bluetooth GPRS SMS Wifi GPS Google Play Store App Download;Resolution: 400 x 400 pixel:Best suitable screen size with high definition picture displaying gives you great experience The watch can monitor your heart rate; you can know your heart rate from the display during Pedometer: Record the steps you take and count the distance to make you fully control your sports Adopts high quality leather material which is super soft,dural and comfortable to wear Support Sync Notifications With Andriod Phones