British Telecom Freestyle 750 Twin. Volume control: Digital. Phonebook capacity: 50 entries. Display: mono, Display number of colours: Monochrome, Backlight colour: Yellow. Base dimensions: 142 x 112 x 76 mm, Handset dimensions: 180 x 58 x 36 mm, Handset weight: 0.169 kg. Battery type: AAA, Talk time: 10 h, Standby time: 100 h