Micro USB Bluetooth CSR 4.0 Adapter Dongle Achieved with CSR8510-High Speed 3mbps Micro Wireless Receiver,Includes CSR Harmony CD Software.Compatible with Windows 8 / Windows 7 (32 and 64bit)/Me/ 2000 / 98 /
How to install the CSR 4.0 Bluetooth adapter driver? – zexmte
Review: Avantree Bluetooth 4.0 Micro USB Dongle | Gough's Tech Zone
User Manual
CSR Bluetooth Driver 5.0.11.0 Win 7/8 - 64-bit | USB Driver