Equipped with a high-performance Bluetooth 5.3 chip, this adapter delivers stable, high-speed transmission with fast response and minimal delay. The upgraded Bluetooth 5.3 technology provides extended range and a more stable connection. Supports efficient data and audio transmission. Offers up to 100 meters of wireless transmission distance for real-time data transfer in open environments. Driver-free design enables plug-and-play functionality. Product name: USB Bluetooth adapter Model: BT608 Bluetooth version: 5.3 Transmission distance: 100 meters (in open environment) Support protocols: A2DP, AVRCP Material: ABS Color: Black Package Contents: 1 x Bluetooth Adapter 1 x Antenna Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement allows an error of +/- 1-3 cm.