Features 1.2 in 1 Design: Bluetooth 5.0 sound adapter receive RX and transmit TX two in one design. Dual signal one key switch, easy to use and convenient, suitable for a variety of devices. 2.Stable Signal: Bluetooth 5.0 is more compatible, faster and more stable signal transmission, listening to songs without lagging, strengthen the signal to achieve 10 meters long distance transmission. 3.Handsfree Call: USB bluetooth receiver transmitter one button to answer and hang up the phone, in the receiving mode when you have an incoming call, press the button to answer the phone hands?free. 4.Bluetooth Speaker: Upgrade to Bluetooth speaker in seconds, just plug into the speaker or amplifier interface, Bluetooth in seconds to save the trouble of wiring, enjoy the wireless life. 5.Plug and Play: Wireless receiver transmitter with display driver free, plug and play, Bluetooth fast matching connection, more convenient to use. specificationItem Type: Bluetooth 5.0 Sound Adapter Material: ABS Color: Black Bluetooth Version: 5.0 Bluetooth Distance: Within 10m/32.8ft PackageList1 x Bluetooth 5.0 Sound Adapter 1 x Sound Cable 1 x Manual