Detailed Product Description O2 XDA Comet,3G Phone,Wifi Mobile GeneralGSM 900 / 1800 / 1900 HSDPA 1900 / 2100 2007, SeptemberAvailableSize106 x 58 x 19 mm 145 gDisplayTFT resistive touchscreen, 65K colors240 x 320 pixels, 2.7 inches - Handwriting recognitionSoundVibration; Downloadable polyphonic, MP3 ringtonesYesMemoryPractically unlimited entries and fields, PhotocallPractically unlimited64 MB ...