Generic Bluetooth Smart Watch DZ09 Smartwatch Watch Phone

Frequency: gsm 850/900/1800/1900 mhz network & connectivity:only 2g network rom:32m, ram:32m sim card: single sim card (micro sim card) can be as a phone bluetooth: bluetooth 3.0 external memory: support tf card up to 32gb(memorycard didn't included in package) camera: 0.3 m music: support picture format: jpeg, gif, bmp, png music format: mp3, wav functions: bluetooth dialer, contacts, call reminder, clock, anti-loss, pedometer, sleep monitor, sedentary reminder, calendar battery: 220 mah usb port: mini usb 5pin interface gravity sensor: support