British Telecom Diverse 6350. Volume control: Digital. Phonebook capacity: 100 entries. Display: mono, Display number of colours: Monochrome, Backlight colour: Blue. Base dimensions: 200 x 180 x 90 mm, Handset dimensions: 150 x 45 x 30 mm, Handset weight: 0.11 kg. Battery type: AAA, Talk time: 13 h, Standby time: 170 h