MultiFunction Bluetooth Adapter – Versatile Audio Solution for Home and Car • AllinOne Design: Combines five functions in one compact device – Bluetooth audio transmitter, Bluetooth audio receiver, USB music player, TF card music player, and hands car kit. Designed to meet multiple audio needs with a single device. (Note: Only one mode can be active at a time.) • Dual Bluetooth Mode (Receiver and Transmitter): Receiver Mode (RX): Wirelessly receive audio from your smartphone, tablet, or smart TV and play it through wired speakers, stereo systems, or amplifiers using the 3.5mm or RCA connection. Transmitter Mode (TX): Connect to nonBluetooth devices such as TVs, PCs, CD players, MP3 or MP4 players via 3.5mm jack or RCA cable, and transmit audio wirelessly to Bluetooth headphones or speakers. (Note: Does not support connecting to two Bluetooth devices simultaneously.) • Large Control Knob: Conveniently adjust audio volume without relying on your TV remote or phone. Incar use allows you to easily change volume and answer, reject, or redial calls for safer driving. The knob features an LED breathing light, making it easy to locate and operate even in lowlight conditions at home or in your vehicle. • Clear Digital Display: Shows the current operating mode (TX, RX, USB, TF), volume level during adjustments, and song playback time when using USB or TF card music sources. Designed for clear visibility and intuitive operation. • Easy Operation: Equipped with three buttons next to the main knob. Power on by pressing and holding the center button for two seconds until the LED screen lights up. A side switch allows quick mode changes between receiving and transmitting. • Broad Compatibility: Works with a wide range of Bluetooth and nonBluetooth devices including smartphones, tablets, smart TVs, computers, MP3/MP4 players, and traditional audio systems. • Practical Use Scenarios: Upgrade a nonBluetooth TV to stream audio directly to wireless headphones for private viewing without disturbing others. Use as a car kit to enjoy hands calling and wireless music playback while driving. Connect your smartphone to a traditional home stereo system for quality wireless music without replacing your existing equipment. • Compact and Portable: Easy to carry and suitable for both home and travel use. Durable construction ensures reliable performance wherever needed. This versatile Bluetooth adapter delivers seamless wireless connectivity, intuitive control, and multiple playback options, making it an essential tool for modern audio setups in any environment.