Snom m9. Phonebook capacity: 170 entries. Voice codecs: G.711. Display: TFT, Display resolution: 128 x 128 pixels, Display number of colours: 0.065536 M. Interface: USB, Headphone connectivity: 2.5 mm. Dimensions (WxDxH): 125 x 50 x 20 mm, Base dimensions: 168 x 144 x 32 mm, Handset weight: 98 g