Doro PhoneEasy 410gsm. Display diagonal: 50.8 mm (2 "), Display resolution: 176 x 220 pixels. Data network: GSM, GSM bands supported: 900, 1800, 1900 MHz. Bluetooth version: 2.1+EDR, Bluetooth profiles: HFP, HSP. Headphone connectivity: 2.5 mm. Ringer type: polyphonic