About this item: [Enjoy Wireless Streaming Music]This car Bluetooth adapter can be connected to non-Bluetooth car audio , home stereos, speakers, wired headphones via the 3.5mm AUX adapter; And equipped with a Bluetooth 5.0 chip for stable connection / fast transmission / wide signal range. Just pair it with your phone and start listening to your favorite music![Intelligent Noise Reduction ]Our Bluetooth audio receiver adopts the latest CVC8.0 Noise Cancellation and Digital Signal Processor (DSP) technologies, which can and block out intrusive background noise (such as wind, traffic, or crowds), providing you with crystal-clear calling sounds.[Up to 16 Hours of Battery Life]The working time of this aux Bluetooth adapter is up to 16 hours when making calls or playing music. And it takes 2.5 hours to fully charge the device by using a Type-C fast charging cable (Included in the package). In addition, this Bluetooth music adapter can be used while charging, which is very convenient.[Hands-free Calling & Navigation]A built-in microphone "" button to / redial / hang up / reject calls, help you make hands-free calls. And the Bluetooth audio adapter supports broadcasting voice notification from existed navigation App. You 't have to look down the phone on the move. Make you drive safely![Dual Connection]The portable Bluetooth stereo adapter can be paired with 2 devices at the same time. You can enjoy your music and never worry about missing any calls. Once paired, the car receiver will automatically to your last paired Bluetooth devices, as long as they are within the wireless range.Special Feature : Noise Cancelling, Hands Free CallsConnectivity Technology:Bluetooth, AuxiliaryInput Device Interface Bluetooth, 3.5mm JackColor: BlackMaterial: ABSPackage Contents:1 x Bluetooth music receiver host1 x USB charging cable1 x 3.5mm audio adapter cable1 x 3.5mm metal adapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.