It means you can connect this Bluetooth adapter to only Windows OS based devices. If you are not aware, Bluetooth CSR 4.0 USB Dongle Adapter features easy solution for your computer to communicate with Bluetooth-enabled devices including Bluetooth headsets, tablets, Bluetooth speakers, printers, mouse, keyboard, camera and more.ĬSR 4.0 Bluetooth Adapter is compatible with all Windows OS version including Windows 10, 8, 7, Vista and Windows XP, and not compatible with MacOS, Car stereo Systems or TV. For example, if you have CSR 4.0 Bluetooth Adapter connected to your Windows 10 64-bit OS based computer for some purposes, then CSR 4.0 Bluetooth Driver must be installed in computer to function.īluetooth Driver for CSR 4.0 USB Dongle Adapter allows you to communicate Bluetooth-enabled devices integrated/connected into your computer, with Operating System installed in your computer. Depending on Bluetooth Adapter and Operating System, Bluetooth driver must be installed in your computer.