TP-Link USB Bluetooth Adapter for PC(UB400), 4.0 Bluetooth Dongle Receiver Support Windows 10/8.1/8/7/XP for Desktop… Price: $9.99 (as of 29/03/2021 10:12 PST- Details)

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NOTE: The item is compatible with windows 10/8.1/8/7/XP. However, on the box there is limited space so the manufacturer do not list all of the versions and just list the most recent versions of windows
【Bluetooth 4. 0】 – applies the latest Bluetooth 4. 0 and it is backward compatible with Bluetooth V3. 0/2. 1/2. 0/1. 1. Ub400 turns non-Bluetooth PC or laptop into Bluetooth-capable ( PS4 & XBox Controllers for PC Only )