Bluetooth 5.0 Receiver: Ideal for home or vehicle music streaming audio system. This car Bluetooth adapter can be connected to non-Bluetooth car audio systems, stereos, wired speakers and headphones via the 3.5mm AUX adapter; And equipped with Bluetooth 5.0 chip for stable connection / fast transmission / wide ringing signal. Intelligent noise reduction technology: Our Bluetooth audio receiver adopts the latest noise canceling and CVC8.0 digital signal processing (DSP), which can eliminate echo and block out intrusive background noise (such as wind, traffic, or crowds), giving you crystal-clear call sounds. Hands-free calling and navigation: A built-in microphone and a central button for answering/redialing/hanging up/rejecting calls, help you make hands-free calls. And the Bluetooth audio adapter supports streaming voice notifications from the existing navigation app. You don't have to watch the moving phone. Be sure to drive carefully! Up to 5.5 hours and more battery life: The working time of this auxiliary Bluetooth adapter can reach up to 5.5 hours when you make calls or listen to music. the music. And it only takes 2 hours to fully charge the device by using a charging cable (included in the package). In addition, this Bluetooth music adapter can be used while charging, which is very convenient. Super stable connection: Our Bluetooth audio adapter is equipped with a Bluetooth 5.0 chip for stable pairing, fast transmission and a wide signal range (33 feet). With the 3.5mm AUX port, it can be connected to non-Bluetooth car audio systems, stereo, wired headphones, etc. Then you can enjoy wireless Hi-Fi music streaming!