TP-Link UB400 Nano USB Bluetooth 4.0 Adapter for PC Laptop Desktop Computer, Bluetooth Dongle and Receiver for Windows 10/8.1/8/7/XP, Plug and Play for Windows 10/8.1/8

Amazon.co.uk Price: £15.79 (as of 06/04/2020 13:49 PST- Details)

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Bluetooth 4.0 – applies the latest Bluetooth 4.0 with low energy (BLE) technology and it is backward compatible with Bluetooth V3.0/2.1/2.0/1.1
Driver free – Plug and play for Win 8, Win 8.1, and win 10