Alcatel-Lucent One Touch 536. Display diagonal: 61 mm (2.4 "), Display resolution: 240 x 320 pixels, Display: TFT. Compatible memory cards: microSD, Maximum memory card size: 16 GB. Data network: GSM, GSM bands (primary SIM): 900, 1800 MHz. Bluetooth version: 2.1+EDR. Audio formats supported: MP3