Bluetooth 5.1 USB Stick Adapter Receiver Transmitter Wireless Receiver Dongle Item Description: Bluetooth 5.0 technology - Offers up to 2x faster data transfer and 4x greater range compared to older Bluetooth versions. Wide compatibility - Supports devices such as laptops, desktop PCs, tablets, smartphones, printers, headphones, speakers, keyboards, mice and many more. Extended range - Thanks to Bluetooth 5.0 technology, you can connect your devices at a distance of up to 50 meters. Stable and lossless connection - Enjoy uninterrupted transmission of audio, data and files with optimized energy efficiency. Mini & portable - The ultra-compact design fits perfectly into any USB port and is ideal for mobile use. Simple plug & play - No driver installation required. Plug in the adapter and connect to your Bluetooth devices immediately. Note: If you need a driver, please contact us and we will send it to you. Old Windows need a driver.