LEMFO LEM 8 4G Smartwatch Phone - 2GB RAM 16GB ROM 2.0MP Camera 580mAh Built-in, RedKey Features:--Anti-lost alert,Facebook,Heartrate measurement.--Message,Music Sync Function,Pedometer,Remote Camera.--Sedentary reminder,Sleep monitoring;--External Memory: Not Supported;Manufacturer SpecificationsGeneral--Nano SIM Card / Bluetooth Phone Call / Answer, You can dial or answer a phone call from your ..