Equipped with a high-performance Bluetooth 5.3 chip, the signal is stable and high-speed, with fast response and low latency. The upgraded Bluetooth 5.3 adapter provides extended range coverage and a more stable connection. Bluetooth 5.3 delivers higher performance and supports data and audio transmission. Up to 100 meters wireless transmission distance in a barrier-free environment for real-time data transfer, convenient and efficient. Driver-free, plug and play. Product name: USB Bluetooth Adapter Model: BT608 Bluetooth version: 5.3 Transmission distance: 100 meters (in barrier-free environment) Support protocols: A2DP, AVRCP, HID, etc. Material: ABS Color: Black Package Contents: 1 x Bluetooth Adapter 1 x Antenna Note: The package includes only the items listed above; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement allows an error of +/- 1-3 cm.