【Product Description】 This is the TP-Link Bluetooth USB adapter "UB500". Simply plug it into a USB port to enable wireless connectivity on computers without Bluetooth functionality. It supports Bluetooth 5.0, allowing for stable connections with wireless earphones, speakers, keyboards, mice, and more. Its small nano-size design means it won't get in the way, even when left plugged in. 【Condition】 Unopened, brand new I'm selling to clear out stock, so the price is lower than the market value for the same condition! Therefore, please refrain from price negotiations. 【Supported OS】 Windows 7 / 8.1 / 10 / 11 ※Mac and Linux are officially not supported. 【Notes】 ・Drivers may be required. ・Please refer to the official manufacturer's website for detailed specifications. Instant purchase is welcome. Feel free to comment if you have any questions.