Wireless Bluetooth Transmitter and Receiver – 2in1 Audio Upgrade Solution Transform any audio device into a modern, wireless experience with this versatile Bluetooth transmitter and receiver. Designed for convenience, performance, and compatibility, it is the tool for travelers, gamers, and anyone who wants to enjoy quality sound without cables. Key Benefits and Features: Two Modes in One Device: TX (Transmit) Mode – Connect nonBluetooth devices such as airplane audio terminals or TVs directly to Bluetooth headphones or AirPods. RX (Receive) Mode – Stream audio from your phone to older car stereos or home sound systems without Bluetooth capability. Sound Performance: Equipped with a Qualcomm 5.4 chip for fast, stable connections. aptX HD (48kHz/24bit) delivers CDquality audio for rich, detailed sound. Ultralow latency of just 40ms ensures audio stays in sync with video, eliminating lipsync delays during movies or gaming. Note: For live music instrument connections, use 2.4G UHF devices instead for results. Connect Two Devices Simultaneously: Supports duallink pairing for sharing audio with two sets of AirPods or headphones. Ideal for couples watching movies together on flights or when gaming sidebyside. Simple doubletap pairing via the P/R button – no app or complex setup required. Automatically reconnects to previously paired devices for seamless use. LongLasting Battery: Builtin 260mAh battery provides up to 24 hours of continuous operation on a single charge. Enough power for over 12 longhaul flights or three featurelength movies during layovers. Fully recharges in just 2 hours with the included USBC cable. Practical Applications: 1. Air Travel – Enjoy inflight entertainment wirelessly by connecting your AirPods or Bluetooth headphones directly to the airplane's headphone port. 2. Home Entertainment – Upgrade your older TV or stereo to stream audio wirelessly to modern Bluetooth speakers or headphones. 3. Driving – Link your phone via Bluetooth to an older car stereo system for hassle hands calls and music streaming. Compact, reliable, and easy to use, this Bluetooth transmitter and receiver is the ultimate tool for modernizing audio equipment without replacing it. Would you like me to also write a short conversion title and bullet list for this so it could work directly for an product listing? That way it would be ready for marketplace sales.