Drivers

bluetooth-receiver

Smashtronics CSR 4.0 USB Dongle Bluetooth Receiver for PC Support Windows OS 32/64 Bit

This adapter creates cable-free connections between PCs and other Bluetooth devices such as Bluetooth enabled headsets, cell phones, keyboard or mouse and more (with Microsoft built-in drivers) at speeds of up to 3 Mbps.

Google Drive

CSR4.0 USB 2.0 Bluetooth 4.0 Adapter Driver Download

https://mega.nz/#!vdYlATZC