Amazon.com: Gavigain USB Mouse Receiver, 2.4 GHz Wireless Technology Wireless Mouse Receiver, Real Plug & Play Mini EDR Bluetooth Dongle Receiver & Transmitter for G Pro : Electronics
Bluetooth dongle Gembird BTD-MINI2 USB2.0 Bluetooth dongle v2.0 + EDR, 2.4Ghz 2.1MB/s(17Mbps) 8dBm, 50m