With intelligent chips, the real 5.3 version (LMP12.5X) achieves higher sensitivity, faster transmission, and more stable connection.The working state is clear at a glance, and the work is frequently.Free driver is to plug and play with Win8.1/10/11 free drive. You can enjoy the wireless wonderfulness.Low latency does not stuck the drama and paintings synchronization.High -fidelity is not transmitted, and the CD -level three -dimensional, delicate, and pure sound quality is enjoyed.Type: USB Bluetooth adapterBluetooth version: 5.3Transmission distance: 20 meters (under the environment of no obstacle)Support protocol: A2DP, , AVRCP, HID, etc.Colour:blackMaterial: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.