HTC HD Mini. Display diagonal: 81.3 mm (3.2 "), Display resolution: 320 x 480 pixels. Processor clock speed: 0.6 GHz. Maximum memory card size: 32 GB, Internal memory: 512 MB. Data network: 3G, EDGE, GPRS, wcdma, Bluetooth version: 2.1+EDR, Bluetooth profiles: A2DP, AVRCP. Headphone connectivity: 3.5 mm