Beafon S200. Display diagonal: 50.8 mm (2 "), Display resolution: 128 x 64 pixels, Display: TFD. Data network: GSM, GSM bands supported: 900, 1800 MHz. Headphone connectivity: 3.5 mm. Ringer type: polyphonic. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 1000 mAh, Talk time (GSM): 4.17 h