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.External 4dBi high-gain antenna has better performance, stronger transmitting signal and distance.-free transmission 100 real-time data transmission, convenient and fast.Support lossless transmission technology, 44.1KHz high sampling rate, CD-level high-definition fidelity stereo sound , clear sound .Win8.1/10/11 driver-free, plug and play.Product name: Bluetooth 5.3 AdapterBluetooth version: 5.3Frequency range: 2.4GHz (2402-2480MHz)Support protocols: A2DP, , AVRCP, , etc.Transmission distance: 0~100MRated voltage: DC 5VInterface type: USB: Win8.1, Win10, Win11 (drive free)Material: ABSColor: BlackPackage Contents:1 x Bluetooth AdapterOnly the above package content, other 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.