Equipped with a high-performance Bluetooth 5.3 (LMP 12.513) chip, 2MB/s high bandwidth, low power consumption, data transmission, fast response, farewell to lagging and other problems. Win8.1/10/11 driver-free, plug and play. Support lossless transmission technology, 44.1KHz high sampling rate, CD-level high-definition fidelity stereo sound quality, clear sound quality. Support multi-device connection without lagging. It can support multiple Bluetooth devices to connect and use at the same time, solve the problem of USB gap, and meet the needs of occasions. Product name: 5.3 bluetooth adapter Bluetooth version: 5.3 (LMP 12.513) Frequency range: 2.4GHz (2402-2480MHz) Support protocols: A2DP, , AVRCP, , etc. Transmission distance: 0~20M Rated voltage: DC 5V Interface type: USB : Win8.1, Win10, Win11 (drive free) Product size: 30x7x15mm Material: ABS Color: Black Package Contents: 1 x Bluetooth Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.