GSM Bluetooth Smart Watch Phone Sleep Monitoring MP3 MP4 Touch Screen Camera Smartwatch Imported Network GSM 850/900/1800/1900 MHz (GPRS)services GSM & Bluetooth Smartwatch with 2.5D Touch Screen Dial Size: 50.5*43.5*13 mm Bluetooth: Support Bluetooth V3.0,Compatible with V2.1/V2.0 /V1.2/V1.1 GSM Cell Phone, Bluetooth Dialer & Bluetooth Headset, Music Player, FM Radio, Camera, Alarm Clock, Watch, Pedometer, Vibration Alert