2in1 Bluetooth Transmitter and Receiver – Wireless Audio Adapter with Bluetooth 5.3 Technology This versatile 2in1 Bluetooth audio adapter is designed for both transmitting and receiving wireless sound, making it an ideal solution for connecting nonBluetooth devices to modern wireless audio systems. Whether you need to send audio from your TV to your Bluetooth headphones or receive audio on your wired speakers from your smartphone, this compact device delivers stable performance with wide compatibility. Key Features and Benefits: Dual Function Modes: TX (Transmit) Mode – Connect to nonBluetooth devices such as TVs, PCs, MP3 players, or airplane entertainment systems to stream audio wirelessly to Bluetooth headphones, speakers, or soundbars. RX (Receive) Mode – Connect to wired speakers, headphones, or car stereos and receive audio from smartphones, tablets, or computers via Bluetooth. Wide Device Compatibility: Works with any device featuring a 3.5mm AUX interface, including TVs, car stereos, home stereo systems, headphones, music streaming systems, PCs, speakers, projectors, MP3 and MP4 players, and more. Simple Operation: Easy pairing with clear status indicators. Just insert into the AUX port on the transmitter or receiver device, press and hold the multifunction button for 3 seconds to power on, and the adapter will automatically connect to your devices. Stable and Efficient Performance: Powered by Bluetooth 5.3 for reduced power consumption, faster transmission, and stable connections. Enjoy up to 10 hours of playback in RX mode and 8 hours in TX mode on a single charge. Practical Use Scenarios: 1. Wirelessly stream audio from your living room TV to Bluetooth headphones for latenight viewing without disturbing others. 2. Upgrade your old car stereo to receive music from your smartphone without messy cables. 3. Transform your wired home speakers into a Bluetooth audio system for easy streaming from tablets or laptops. Additional Notes: Not suitable for live music monitoring, musical instruments, karaoke equipment, or devices like electronic pianos or guitars that require 2.4G transmission for precise audio synchronization. Includes a 3.5mm audio cable for standard connections. Some TVs may lack a 3.5mm audio output. In these cases, you will need an RCA audio cable (not included) for compatibility. With its compact size, dual functionality, and reliable wireless performance, this Bluetooth transmitter and receiver is an efficient way to modernize your audio setup without replacing your existing equipment.