This Bluetooth receiver can wake up your non-Bluetooth devices such as car audio system, home stereo, speakers, and wired headphones via the 3.5mm AUX cable/adapter (Included). Just pair your smartphone/ tablet/ laptop/ MP3 with bluetooth function and enjoy your musical journey. bluetooth adapter for car equipped with a LCD display screen which can clearly show all information, such as Bluetooth connection status, battery, volume and connected devices names, etc. It is convenient for you to get these details while driving. The built-in microphone equipped with the latest CVC8.0 noise cancellation and Digital Signal Processor (DSP) technologies, giving you crystal-clear calling sounds. Using the MFB button answer/redial/hang up/reject calls to free your hands. It also supports broadcasting voice notification from existing navigation App, you don't need to look down the phone to ensure safe driving. The Bluetooth receiver equipped with a Bluetooth 5.0 chip to ensure stable connection and fast signal transmission. It can be paired with 2 devices at the same time, so you won't miss any calls while listening to music. Once paired, the car receiver will Automatically reconnect to your last paired Bluetooth devices, the range up to 33ft. The working time of this aux Bluetooth adapter is up to 8 hours when calling or playing music. And it takes only about 1.5 H to be fully charged by using the Type-C charging cable(included). Additionally, it is very lightweight and portable , just 2.4 oz. You can take it with you and enjoy wireless music anytime, anywhere! Charging voltage: 5V Working current: 24mA Shutdown current: 0uA Charging time: about 2 hours Working hours: about 12 hours Battery capacity: 240mAh Bluetooth version: V5.0 Bluetooth frequency: 2.402-2.480GHz Bluetooth transmission distance: 10M Bluetooth microphone effective distance: 0.5~2M Bluetooth transmission output power: 6dbm Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Please allow 0.1-1cm difference due to manual measurement, thanks Other accessory demos in pictures are not included. Size: 5.8*3.5*1.3cm Shipping color: as shown Shipment Quantity: 1