Compliant to version 5.0 specifications, support LL,With both 3.5mm and connection options, you can enjoy music wirelessly on 2 speakers simulteneously. Built-in chip,you can directly connect with the NFC mobile phone or other support NFC bluetooth device by Press this receiver This Bluetooth 5.0 Receiver can be connected to any A/V receivers and any powered speakers with standard 3.5mm jack or ports, perfect compatible for home theaters, stereo systems, and car stereos, also suitable for , , Touch, Smart Phones, and Android devices. Using the charger cable connect with your car/other power, When Start the car or its have power, It will auto turn on,and Automatically connect to the device you last connected to. When the car turned off, its will auto turn off. The wireless Bluetooth adapter supports the connection up to 10 meters/33 feet, controlling the music playing in a long distance. color: Black Material: ABS Package Contents: 1* Bluetooth receiver 1* 3.5MM audio cable 1* audio cable 1* Micro-usb charging cable 1* User manual Only the above package content, other products are not included. Note: Light 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.