Socket Mobile SoMo 650Rx-M. Display diagonal: 88.9 mm (3.5 "), Display resolution: 240 x 320 pixels, Display: TFT. Internal memory: 128 MB, Internal memory type: SDRAM, Flash memory: 1024 MB. Processor clock speed: 624 MHz. Wireless LAN type: 802.11b/g. Bluetooth version: 2.0+EDR