[Bluetooth 5.3 Clearer Sound & Enhanced Microphone] Bluetooth car adapter is Equipped with the latest Bluetooth 5.3 technology, optimizing the transmission delay and connection defect problems of the old Bluetooth 5.0. Bluetooth 5.3 will bring you a faster, more stable, and smarter connection with less sound quality loss. Upgraded CVC8.0 noise cancellation and digital signal processor DSP technologies, combined with an enhanced mic ensure we much brighter bigger sound while calling.[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.[22 Hours Super Long Battery Life] This car Bluetooth adapter has a battery life of 22 hours no matter whether making calls or playing music. And it takes only 2 hours to fully charge the device by using a Type-C fast charging cable (Included in the package). In addition, this Bluetooth music receiver can be used while charging. Made music in the car so easy.[The Easiest to Use] It really doesnt get much easier than the Bluetooth receiver, so if you have a 3.5-millimeter jack and dont need radio stations, this one is definitely the easiest way to go. Simply plug it into your cars auxiliary input to enjoy hands-free calls with its built-in mic and music with a 40-foot Bluetooth range. As a plus, the receiver can also pair with up to two devices simultaneously.