Product Description: Bluetooth Receiver Transmitter 2-in-1 USB Audio Adapter Advanced CSR 5.0 Chipset: Experience stable connectivity and excellent signal stability with the advanced CSR 5.0 chipset combined with A2DP technology. Enjoy uninterrupted and clear HiFi music streaming for a pleasant listening experience. The 3.5mm AUX or RCA audio connector is perfect for wired headphones, speakers, home sound systems, car stereos, and portable non-Bluetooth devices. Versatile Transmitter and Receiver: Transform your 3.5mm audio output media device into a Bluetooth-enabled device with the transmitter function. The receiver function allows non-Bluetooth devices, such as car or home stereos, to receive high-quality audio. Easily switch between transmitter and receiver modes with a simple flick of a switch. Connect effortlessly using advanced Bluetooth technology and the included 3.5mm audio cable. Full Music Control in Receiver Mode: Gain complete control over your music in receiver mode with the adapter's control buttons, allowing you to play/pause, select tracks, and adjust volume. Connect the adapter to traditional devices like wired headsets or speakers to receive Bluetooth music directly from phones and tablets. Simple Operation: Slide the switch to ON/OFF and plug the 3.5mm audio connector of this wireless music adapter into the 3.5mm or 2.5mm 2RCA port for use in car/home audio systems, non-Bluetooth home speakers, and headsets. Pair with Bluetooth-enabled devices to enjoy music and benefit from automatic re-pairing for seamless enjoyment. Wide Compatibility: Equipped with a 3.5mm cable and a 3.5mm to 2RCA cable, this receiver transmitter adapter is widely compatible with computers, laptops, home stereo systems, headphones, smartphones, MP3 players, CD players, and more. Enhance your audio experience across a variety of devices with this versatile adapter. Upgrade your audio setup with the Bluetooth Receiver Transmitter 2-in-1 USB Audio Adapter, offering seamless connectivity and high-quality sound for all your devices.