Doro HandlePlus 334 IUP . Display resolution: 64 x 102 pixels, Display: LCD, Display number of colours: Monochrome. Internal memory: 0 MB. Ringer type: polyphonic. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 850 mAh, Talk time (GSM): 3 h. Weight: 99 g, Width: 125 mm, Depth: 52 mm