Latest Bluetooth 5.4 technology. Ultra-small size: The sleek and compact design makes the enhanced Bluetooth receiver ideal for placement on a laptop or PC. More stable connection and greater range: The updated Bluetooth 5.4 adapter offers a more stable connection, with an outdoor transmission range of up to 30 meters. True plug-and-play, no driver installation required. Wide range of applications: The improved wireless Bluetooth adapter can connect with a variety of devices, such as Bluetooth speakers, keyboards, headphones, and mice.