Bluetooth 5.3 (LMP12.5X) intelligent chip transmission rate is faster, more stable, and compatibility better supports dual mode /LE stereo audio transmission.In the case of -free, 20 meters long -distance transmission signal is strong.Support low intelligence, fast connection, reduce the power loss of Bluetooth equipment 24-bitcrc verification to resist interference interference adaptive frequency reduction reduction, so that the signal is more stable.Connect the Bluetooth sound/headset to rid of wired restraint, listen to more free, and enjoy the CD -level high -definition sound quality.Drives are plug and play.Product name: USB Bluetooth adapterBluetooth version: 5.3Main -control chip: ATS2851Transmission distance: 20 meters (under the environment of no obstacle)Support protocol: A2DP, , AVRCP, , etc.Colour:RedMaterial:ABSPackage Contents:1 x AdapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.