【LED Digital Display】The BCADON car Bluetooth adapter is equipped with an LED display screen, showing both battery and volume levels. It is especially helpful to adjust the volume and keep track of the charging status even in the dark, enhancing both aesthetics and convenience. | 【Bluetooth 5.3 & Dual Connection】This Bluetooth AUX adapter adopts the latest Bluetooth 5.3 technology, providing more efficient transmission, stable connection, and a wider Bluetooth coverage range-up of 33ft. In addition, this Bluetooth adapter supports the simultaneous connection of two devices, allowing you to switch between devices for calls and music playback. | 【Noise Reduction & HiFi Audio Quality】With the latest CVC noise reduction technology, our Bluetooth AUX receiver effectively eliminates echo and blocks out external noises such as wind, traffic, or crowds, ensuring optimal music enjoyment with HiFi sound while also guaranteeing clear communication during calls. | 【Hands-free Calls & Navigation Broadcast】Equipped with a built-in mic, our Bluetooth car adapter AUX input supports hands-free calling. Plus, the “MFB” button allows for easy dialing/answering/hanging up calls, ensuring driving safety. It also broadcasts voice notifications from the navigation App, efficiently guiding your way. | 【Fast Charging & Long Battery Life】Fully charged in just 2 hours using the Type-C fast charging cable (included in the package), this Bluetooth 5.3 receiver offers up to 12 hours of battery life. Moreover, this Bluetooth 3.5mm adapter can also be used while charging, allowing you to enjoy uninterrupted music trip! | 【Pairing steps】1. Press and hold the multifunctional button for 3s, the receiver is ready for pairing when the indicator light flashes blue and red. 2. Insert one end of the audio cable or male to male connector into the 3.5mm audio port of the receiver, and connect the other end to the output device. 3. Turn the phone’s Bluetooth on, search for the Bluetooth device "J49", then connect the phone with it.