?Featured Bluetooth V5.0? Advanced CSR 5.0 chipset combining A2DP comes with stable connectivity and remarkable signal stability. Non-stop and clear HiFi music streaming creates enjoyable listening experience. Ideal to be used for your wired Headphones/Speakers, home sound system, car stereo and portable non-bluetooth device via the 3.5 mm aux or RCA audio connector ?Bluetooth Transmitter And Receiver? Transmitter function transforms 3.5mm audio-out media devices into a Bluetooth device capable of streaming Bluetooth audio; Receiver lets non-Bluetooth devices like car or home stereos receive high quality audio. Switch between transmitter and receiver modes with the simple flick of a switch. Effortlessly connect using advanced Bluetooth technology and 3.5mm audio cable (included) ?Full Control? During receiver mode you have full control of the music including play / pausing, track selection, and volume control with buttons on the adapter controls. The adapter can connect to traditional device like wired headphones or speakers so they can receive Bluetooth music direct from phones and tablets ?Easy To Setup And Pair? Simply slide switch to ON/FF, Plug 3.5mm audio connector of this wireless music adapter into a 3.5mm/2.5mm 2RCA port for your car/home audio system, non-Bluetooth home speakers and headphones and pair with your Bluetooth enabled devices to enjoy music, automatic re-pairing for a hassle-free experience