Nokia have officially unveiled the Prism collection, its latest range of fashionable mobile phones. The first two representatives of the Prism collection are the Nokia 7900 Prism and the Nokia 7500 Prism both running on Series 40 3rd Edition user interface. They come with some interesting light effects and feature a geometric pattern design that seems inspired by the exclusive Vertu series mobiles.   • Network GSM 900 / GSM 1800 / GSM 1900 • Size Dimensions - 109 x 44 x 14 mm, 70 cc Weight - 83g • Display TFT, 16M colors 240 x 320 pixels, 2 inches • Ringtones Polyphonic (64 channels), MP3 • Memory Card Slot - microSD (TransFlash) 30 MB internal user memory • Data GPRS - Class 10 (4+1/3+2 slots), 32 - 48 kbps HSCSD - Yes EDGE - Class 10, 236.8 kbps 3G - No WLAN - No Bluetooth - Yes, v2.0 Infrared port - No USB - Yes, v2.0 • Battery Standard battery, Li-Ion 700 mAh (BL-4B) Stand-by Up to 240 h Talk time Up to 2 h 50 min