LogiLink Adapter USB 2.0 to Bluetooth V2.0 EDR. Connectivity technology: Wireless, Host interface: USB, Interface: USB 2.0/1.1. Data transfer rate (max): 3 Mbit/s. Chipset: CSR, Bluetooth version: 2.0+EDR, Frequency band: 2.4 GHz. Compatible operating systems: Windows XP, Vista