... SIM card modes: Dual SIM card dual standby Network format: GSM Frequency: 850/900/1800/1900 MHz Screen: 1.33 inch ... , dedicated key, handwriting, UART setup Organizer: Bluetooth, calendar, to do, alarm, calculator, stopwatch, world clock, health, e-book reader Changeable frames ... : Black, chocolate, white, yellow, green, grey, blue, brown* Quad-band GSM Q7 Watch Phone Dual SIm Card Dual Standby