Trust Bluetooth USB Adapter BT-1300Tp. Connectivity technology: Wireless, Host interface: USB. Data transfer rate (max): 0.721 Mbit/s. Minimum hard disk space: 30 MB, Minimum processor: Pentium 200 MMX. Minimum system requirements: -USB -32 MB RAM -CD-ROM drive -Other device with Bluetooth, Dimensions (WxDxH): 23 x 12 x 58 mm, Compatible operating systems: Windows 2000, XP