Latest Bluetooth 5.3 + EDR technology. The anti-interference capability and stability have been improved, reducing the loss of transmission efficiency due to interference in the 2.4 GHz frequency band. Ultra-small size: The sleek and compact design makes the enhanced Bluetooth receiver ideal for placement on a laptop or PC. More stable connection: The updated Bluetooth 5.3 adapter offers a more stable connection and a transmission rate of up to 3 Mbps. The outdoor transmission range can reach up to 20 meters. True plug-and-play, no driver installation required. Wide range of applications: The improved wireless Bluetooth adapter can connect to a variety of devices, such as Bluetooth speakers, keyboards, headphones, and mice.