Bluetooth Transmitter and Receiver – 2in1 Wireless Audio Solution Enjoy versatile Bluetooth connectivity with both receiving (RX) and transmitting (TX) functions in one compact device. RX Mode: Stream music wirelessly from your Bluetoothenabled smartphone, tablet, or laptop directly to your home stereo, vintage speakers, or car audio system. for upgrading existing audio equipment with modern Bluetooth capability. TX Mode: Send audio from nonBluetooth devices such as TVs, airplane entertainment systems, PCs, MP3/MP4 players, or projectors to Bluetooth headphones, soundbars, or speakers. Ideal for private listening without disturbing others. Bluetooth 5.3 Audio Adapter Equipped with the latest Bluetooth 5.3 technology, this adapter offers faster pairing, stronger connection stability, and enhanced wireless range. Advanced wireless codecs deliver HiFiquality sound with minimal latency, ensuring crystalclear audio streaming for music, movies, or gaming. AUX 3.5 mm Audio Compatibility Connect easily to any device with a 3.5 mm audio interface, including car stereos, home stereos, headphones, sound systems, and portable speakers. Weighing only 30 g, its compact and lightweight design makes it easy to carry for travel, office, or home use, fitting effortlessly into small spaces. Bluetooth AUX Adapter for Car Builtin HD microphone enables hands calls with onetouch answer or hangup functionality. Supports voice notifications from your navigation apps to enhance safe driving. This makes communication in your car convenient while keeping your focus on the road. Rechargeable Battery and LongRange Performance Powered by a builtin rechargeable battery, this adapter delivers up to 4 hours of continuous operation on a single charge. With a wireless range of up to 33 feet, you can move around your home or office without losing connection, enjoying uninterrupted access to your favorite music or audio content. Quick and Easy Pairing RX Mode: 1. Hold the function button for 3 seconds to power on. 2. Slide the switch to RX mode; the indicator light turns blue. 3. Select C28 from your device's Bluetooth settings to pair. 4. Begin playing audio from your connected device. TX Mode: 1. Hold the function button for 3 seconds to power on. 2. Slide the switch to TX mode; the indicator light turns red. 3. Set your Bluetooth headphones to pairing mode. 4. They will automatically search for and connect to the adapter. 5. If you experience onesided sound or no audio, adjust your TV's audio output settings. Practical Use Scenarios 1. Upgrade a traditional home stereo to stream wireless music from a smartphone without replacing your existing system. 2. Use on a long flight to connect your Bluetooth headphones to the airplane's inseat entertainment system. 3. Pair your TV with Bluetooth speakers for an immersive movie experience without running audio cables across the room. Technical Specifications Functions: Bluetooth Transmitter (TX) and Receiver (RX) Bluetooth Version: 5.3 with advanced wireless codecs for definition audio Audio Interface: 3.5 mm AUX Weight: 30 g Range: Up to 33 feet Battery: Builtin rechargeable, up to 4 hours of use Microphone: Builtin HD microphone for hands calls This multifunction Bluetooth transmitter and receiver offers modern connectivity, clear sound quality, and portability in one simple, effective solution.