?More Than 10 Hours of Battery Life?This Bluetooth audio receiver has a working time of more than 10 hours when making calls or playing songs, and a standby time of up to 120 hours. Using the included Type-C charge cable, it takes just 2 hours to fully charge the device. In addition, the high-efficient lithium-ion battery ensures that the device can be used safely while charging. ?Hands-free Calling & Navigation Broadcast?A built-in microphone for hands-free calls; One simple button to answer/redial/hang up/reject calls. Besides, the Bluetooth car adapter supports broadcasting voice notification from existed navigation App, you don’t need to look down the phone to ensure safe driving. ?Intelligent Noise Reduction?Using the latest CVC8.0 noise cancellation and Digital Signal Processor (DSP) technologies, COMSOON Bluetooth stereo receiver can eliminate echo and block out intrusive background noise (such as wind, traffic or crowds), giving you crystal-clear calling sounds. ?Super Stable Connection?Our Bluetooth audio adapter is fitted with a Bluetooth 5.0 chip for steady 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, home stereo, wired headsets, etc. Then you can enjoy wireless Hi-fi music streaming!. ?1.1 Inch LCD Screen?This Bluetooth AUX adapter has a clear LCD which makes your operation easier. Only a simple glance at the screen, you can get all the information about the wireless streaming status, such as Bluetooth connection status, battery, volume and connected devices names, etc.