Language: English, Simplified Chinese LCD Size: 1.3 inch, , 260 thousand colour; PX: 128×160px Ringtone: 64 chord; Ringtone format: mp3, midi Music: support equalizer; independent loudspeaker with bigger volume and good sound effect. Video: 3GP,MP4,support to play in full screen, speed/pause. Rom: built-in 128MB, not expandable. Data Transfer: U disc/data wire/Bluetooth stereo Standby Photo: jpg, gif Main Features Telephone directories: 500 groups of contacts of carte de visit, support incoming call with big head sticker, grouping ring Messages & Multimedia messaging: support SMS and MMS Schedule power on/off: set self-defined photo of start/close, support auto starting/closing Alarm clock: 5 groups; can set from Monday to Sunday at random. Games: Intelligent Puzzle More information: MP3, MP4, Handsfree, SMS group sending, Voice recorder, WAP, Handwritten input, Bluetooth, GPRS download, MMS, E-book, IP dialing, calendar, health management, calculator, unit conversion, rates exchange, memorandum, world time, notepad. Basic Features Operating Frequency: GSM Network Frequency: 900/1800/1900MHz Talk time: 100-180 minutes Standby time: 140-200 hours Time-to-market: 2007.10.26 Shape: wrist watch Dimensions (width × high × thick): 61*40*16MM Weight: 70G Color: Black Package Includeding 1.Watch Cell Phone M800 x 1 2.Batteries x 2 3.Wall Charger x 1 4.USB Cable x 1 5.Stylus pen (hidden in the belt) x 1 6.User Manual