HTC HD2. Display diagonal: 109.2 mm (4.3 "), Display resolution: 480 x 800 pixels. Processor clock speed: 1 GHz. Internal memory: 512 MB. Data network: 3G, EDGE, GPRS, wcdma, Bluetooth version: 2.1+EDR, Bluetooth profiles: A2DP, AVRCP. Headphone connectivity: 3.5 mm