【Function】: Easily switch between TX mode, which connects non-Bluetooth audio sources such as TVs, MP3 players, or in-flight entertainment systems to Bluetooth speakers and headphones, and RX mode, which uses a 3.5mm AUX cable to stream audio from your smartphone to wired speakers or car stereos. | 【Transmission Distance】Enhanced audio transmission with Bluetooth 5.3 technology to ensure a fast and stable connection. Enjoy seamless audio connectivity from non-Bluetooth to Bluetooth devices with a range of up to 390 inches, perfect for travel or home use. (The transmission distance will vary depending on the environment) | 【How to use】: Simplify your audio experience with our auto-pairing feature. Once powered on, the device enters pairing mode and can be easily connected to your favorite device. A useful reset button allows you to easily switch connections. For the best pairing, consider turning off the Bluetooth devices around you. | 【Audio Transmission】: Say goodbye to tangled wires by wirelessly streaming audio from a variety of devices, such as in-flight entertainment, game consoles, gym equipment, or TVs via any 3.5mm audio jack. Easily enjoy your favorite playlist with earbuds or wireless headphones. | 【Compatibility note】: Please make sure that your Bluetooth headphones/speakers also support low-latency technology to reduce latency. This Bluetooth adapter works without the need for a volume control button.

Bluetooth 5.3 Adapter:Use our bluetooth aux adapter to transform any standard speaker into a bluetooth speaker. Simply connect to a device with a 3.5mm audio jack to enjoy wireless music streaming without bulky wires | Bluetooth 5.3 Technology:Experience superior sound quality with the latest Bluetooth 5.3 technology. This adapter provides enhanced sensitivity and powerful performance, bluetooth adapter for old stereo, uninterrupted music playback | Extended Range:Equipped with a built-in antenna, this adapter significantly reduces interference, providing clear sound with a range of up to 10 meters. Enjoy uninterrupted music and calls throughout your space without worrying about signal loss | Dual Device Connection:Easily connect two smartphones at the same time with our unique dual connection feature. Seamlessly switch devices while listening to music or watching movies - no interference, pure enjoyment | Easy Calling:Transform your car's AUX interface into a hands-free calling system. Simply plug in the adapter, turn on the power, and it will connect to your smartphone in seconds, allowing you to enjoy a safer and more convenient driving experience