Mini Bluetooth 2.0 USB Dongle Adapter Adaptor w/ Antenna for Laptop Desktop PC- Black 100% Brand New. Operation Range: 100M (Bluetooth Class 1) USB UHCI/OHCI Spec 1.1/2 . 0 compliant Bluetooth V1.2/V2.0 Compliant Frequency Band: 2.4GHz unlicensed ISM Band