Bass Boosted & Hi-Fi StereoAux Bluetooth car adapter just Slide the button 'BASS' to enjoy powerful deep bass and immersive stereo sound. At the same time, it also uses high-quality HiFi technology to restore the real sound and powerful bass, providing the ultimate listening experience.Clearer CallsThe AUX Bluetooth car adapter is equipped with dual microphones working in tandem to collect your voice from 360 for smoother calls. The upgraded CVC8.0 technology and built-in filter IC effectively filters out more road noise, current sound, and other distractions, resulting in clearer hands-free calls on both ends of the line.Innovative LED Digital Display Another unique feature of this portable Bluetooth stereo adapter is its LED screen. On it, we can know the current status of various functions like the volume levels and exact power quantity. It can remind us to charge in time so that we can play music without interruption.Multifunction Button & LED Light DesignThe independent button designed by the Bluetooth 5.3 receiver supports one-key up and down song/volume up/down/answer/hang up/call back. Ease of use, no distractions, and safer driving. LED lights make it easier to find buttons when night falls.26H Super Long Battery LifeThis car Bluetooth adapter has a battery life of 26 hours no matter whether making calls or playing music. In addition, this Bluetooth music receiver can be used while charging. Made music in the car so easy.