2in1 Bluetooth 5.4 Transmitter and Receiver Experience seamless wireless audio connectivity with this versatile 2in1 Bluetooth 5.4 device. Designed to function as both a transmitter (TX mode) and receiver (RX mode), it allows you to instantly convert your wired speakers, headphones, or stereo systems into wireless Bluetoothenabled devices. Switching between modes is quick and effortless with a single button, making it ideal for use in cars, home audio systems, televisions, and more. Key Features and Benefits: Dual Functionality: Easily switch between transmitting Bluetooth audio from nonBluetooth devices to headphones or speakers, and receiving audio from smartphones, tablets, or laptops to wired systems. Quality Sound: Powered by a performance Bluetooth 5.4 chip, ensuring stable connections, ultrafast pairing, and lossless audio transmission. Supports HSP, HFP, A2DP, and AVRCP for clear calls and music quality without distortion or lag. Wide Compatibility: Works with TVs, older stereo systems, car AUX ports, headphones, and other nonBluetooth audio equipment. Provides a universal solution for upgrading existing audio setups without costly replacements. Stylish RGB Lighting: Equipped with a 7color LED light that not only adds a modern touch but also makes operation easy in lowlight environments. Long Battery Life: Builtin 300mAh rechargeable battery delivers up to 6 hours of continuous call time or 8 hours of music playback, ensuring reliable performance for daily use. Strong Signal Range: Advanced antiinterference technology maintains a stable 10meter range, even through walls, for uninterrupted audio streaming. Practical Use Scenarios: 1. Connect your nonBluetooth TV to wireless headphones for latenight viewing without disturbing others. 2. Stream music from your smartphone to your vintage stereo system using Bluetooth RX mode, keeping classic equipment up to date with modern convenience. 3. Transform your car's AUX port into a Bluetoothenabled audio hub for hands calls and music streaming during drives. Compact, lightweight, and easy to operate, this Bluetooth 5.4 transmitter and receiver offers a reliable, performance solution for bringing wireless audio to nearly any environment. Its blend of modern technology, wide compatibility, and practical design ensures you can enjoy clear, stable, and flexible connectivity wherever you need it.