Audioline PowerTel M6000. Display diagonal: 50.8 mm (2 "), Display resolution: 176 x 220 pixels, Display number of colours: 0.256000 M. Data network: GSM, GSM bands supported: 900, 1800, 1900 MHz. Headphone connectivity: 3.5 mm. Ringer type: monophonic. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 750 mAh, Talk time (GSM): 2.5 h