1、2 IN 1: USB bluetooth transmitter receiver supports Bluetooth transmitting and receiving, i.e. TX and RX modes. RX mode supports two devices at the same time, while TX mode supports one device at the same time. 2、BLUETOOTH 5.0: USB bluetooth transmitter receiver adapter provides a stable 10m connection and supports the SBC codec for fast transmission speeds and clear, functional and enjoyable sound. 3、PLUG AND PLAY: USB wireless sound transmitter receiver adapter requires no driver installation for any compatible device, both 3.5mm and USB A connectors need to be connected and then you can directly connect your Bluetooth device, very easy and convenient. 4、WIDE COMPATIBILITY: RX mode can be used for car sound, home sound, sound music streaming sound system, amplifier, speaker, headphone, TX mode can be used for TV, PC, desktop, MP3, MP4, etc. 5、COMPACT AND PORTABLE: USB bluetooth sound adapter is compact and small to save your space, you can easily carry this adapter around without worrying about its portable size and lightweight design. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia