Mini Bluetooth-compatible USB Adapter CSR V 4.0 Dongle Dual Mode Wireless Bluetooth USB 2.0/3.0 3Mbps For Windows XP Win 7

Mini Bluetooth-compatible USB Adapter CSR V 4.0 Dongle Dual Mode Wireless Bluetooth USB 2.0/3.0 3Mbps For Windows XP Win 7

Aliexpress UK