This is a F3 1.3" Tri Band Wrist Watch Phone. It is not only a watch, but also a cell phone. The 1.3 inch LCD touch screen Bluetooth Wrist Watch Cell Phone design fashion, with MP3/MP4, video recorder & player, network service, FM player, & bluetooth. Support multi-bands: GSM900/ DCS1800 / PCS1900 or GSM850 /DCS1800 / PCS1900.