
Although newer motherboards have built in bluetooth. This little thing is great for an old non-bluetooth motherboard. You can finally use your Bluetooth headphones or speakers with your old computer. The quality is good, there are no connection problems. You will need to download and install a generic Bluetooth driver for this. Just google the bluetooth driver and you will find it.

π ASUS USB-BT400 USB Bluetooth Dongle Receiver - Compatible with Laptops and PCs, Plug and Play for Windows 10/8/7/XP. Supports Printers, Phones, Headsets, Speakers, Keyboards, and Controllers in Black.
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TP-Link Archer T4U Plus AC1300 USB 3.0 WiFi Network Adapter
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π StarTech.com NETRS2321P: 1-Port RS232 to Ethernet IP Converter, Serial over IP Device Server - Black
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HB-UMLS Sabrent USB 2.0 Hub with 4 Ports and LED Power Switches for Each Port
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π USR-TCP232-410s: RS232/RS485 Serial to Ethernet Adapter/IP Device Server with DHCP/DNS Support
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π StarTech.com NETRS232 Serial to IP Ethernet Device Server - DIN Rail Mountable - Serial Device Server - Serial Over IP Device Server (Black)
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