Item Type: USB Bluetooth Transmitter ReceiverMaterial: ABSBluetooth Version: V5.0Distance: About 10m/10.9ydInterface: USBSupport Devices: TV, Desktop, Headphones, Speakers, Telephone, Home Sound System, Sound Music Streaming Sound System, PC, Speakers, etc.Package List1 x USB Bluetooth Transmitter Receiver1 x Sound CablePhone calls are supported in RX mode only, not TX mode.12 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. 2BLUETOOTH 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. 3PLUG 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. 4WIDE 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. 5COMPACT 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.