Bluetooth 5.4 2in1 Wireless Audio Adapter Enjoy seamless wireless audio streaming with this compact and versatile Bluetooth 5.4 transceiver. Designed to provide a stable connection and reduced latency, it delivers clear, uninterrupted sound whether you are in your car, at home, or on the go. for converting wired audio devices into Bluetoothenabled systems, it supports a wide range of everyday setups. Key Benefits Stable Bluetooth 5.4 connection for smooth audio playback and minimal delay 2in1 transmitter and receiver functionality for maximum flexibility Easy conversion of wired devices into wireless for greater convenience Broad compatibility with cars, TVs, PCs, home stereo systems, speakers, and headphones 3.5 mm Auxiliary Jack The builtin 3.5 mm audio port makes it simple to connect to various household and devices. Stream music or movies to your home theater from your smartphone, or listen privately with Bluetooth headphones without disturbing others. TX and RX Modes TX Mode (Transmit): Connect the adapter to a nonBluetooth device via the 3.5 mm jack to wirelessly stream audio to Bluetoothenabled headphones or speakers. Ideal for TVs, PCs, or older audio equipment. RX Mode (Receive): Attach the adapter to wired speakers or car stereos to receive audio from your phone via Bluetooth. Insert a TF card and connect it through the auxiliary jack for direct playback in your vehicle or other systems. Hands Calling with Noise Reduction Equipped with a builtin microphone, this adapter supports hands phone calls with integrated noise reduction technology for clear voice pickup. It effectively suppresses background noise, ensuring your conversations remain sharp and uninterrupted. Compatible with voice navigation guidance, it enhances safety and comfort while driving. Practical Applications Upgrade your car stereo to Bluetooth for wireless music streaming and hands calls Connect your wired home theater system to your smartphone for easy audio playback Pair with Bluetooth headphones when watching latenight TV without disturbing others Compact, reliable, and easy to use, this Bluetooth 5.4 audio adapter delivers quality wireless performance for a wide range of everyday audio needs.