3 in 1 USB 5.0 Audio Transceiver Adapter for Car PC Description: Enjoy the latest 5.0 technology, high-speed transmission, high-quality music, enjoy the convenience of technology for life. It can be used with computers, cell phones, televisions, home speakers and car speakers Portable, lightweight wireless audio transmitter and receiver, wireless audio solution for every situation and application Transmitter mode: Wirelessly streams audio from TV, home stereo or CD player to headphones/speakers/receiver Receiver mode: Wirelessly transmits audio from a supporting phone, tablet or computer to a wired stereo, speakers or headphones Specification : Standard: V5.0 Operation range: up to 10m / 33ft (without any blocking objects) TX: transmitter mode, red LED is on RX: receiver mode, blue LED is on Dimensions: 45*20*9.5mm Connector(s): USB The package includes: 1 x 5.0 Audio Transmitter and Receiver Adapter 1 x 3.5mm auxiliary cable 1 x User Manual