Edimax EB-MDC1 Mini Bluetooth V2.1 USB Adapter. Connectivity technology: Wired, Host interface: USB, Interface: Bluetooth 2.1/2.0/1.2/1.1. Data transfer rate (max): 3 Mbit/s. Bluetooth version: 2.1+EDR, Frequency band: 2400 - 2483.5 GHz. Input voltage: 5 V, Power consumption: 50.3 mA. Certification: CE, FCC, BQ