- DUAL FUNCTIONALITY: This 2-in-1 Bluetooth audio transmitter and receiver allows seamless audio connectivity between Bluetooth and non-Bluetooth devices, maximizing your audio experience. - DUAL HEADPHONE STREAMING: Share your audio with friends by streaming to two headphones or speakers simultaneously. Perfect for movie nights or workout sessions, connect two Bluetooth devices for side-by-side listening. - LONG-LASTING BATTERY: Equipped with a rechargeable battery that offers up to 13 hours of playtime on a single charge, this device is ideal for long trips. For continuous use, simply plug it in to keep the music going. - EASY MODE SWITCHING: With a simple slide, switch between transmitter (TX) and receiver (RX) modes. In TX mode, enjoy high-quality audio on Bluetooth headphones or speakers. In RX mode, connect your mobile devices to non-Bluetooth gadgets. - TRAVEL-FRIENDLY DESIGN: Compact and lightweight, this Bluetooth adapter easily fits in your pocket or bag, making it the perfect travel companion for audiophiles on the go. - ADVANCED BLUETOOTH 5.4 TECHNOLOGY: Experience crystal-clear audio without distortion. This device eliminates white noise, ensuring a smooth listening experience without frequency interference. - UNIVERSAL COMPATIBILITY: Works with any 3.5mm audio device. Use it with in-flight entertainment systems, home computers, projectors, fitness equipment, A/V receivers, TVs, and portable DVD players for versatile audio solutions. - HANDSFREE CALLING: The built-in microphone allows you to easily answer or end calls with a single press of the play/pause button. Stay connected without taking your hands off the wheel while driving.