Doro PhoneEasy 409 S gsm. Display diagonal: 50.8 mm (2 "), Display resolution: 176 x 220 pixels. Data network: GSM, GSM bands supported: 900, 1800, 1900 MHz. Headphone connectivity: 2.5 mm. Ringer type: polyphonic. Battery technology: Lithium-Ion (Li-Ion), Battery capacity: 800 mAh, Talk time (GSM): 3.2 h