1Wireless Connection: Connect the phone and this adapter via bluetooth, support one key answering, redialing, hanging up or rejecting calls. 2Noise Reduction: Built in microphone and noise suppression technology for clearer hands free calls. Make your driving more fun and safe. 37 Color Backlit: 7 color LED light modes for stunning visual effects, you can keep 1 color or change colors in sequence. 4Dual USB Fast Charger: 5V 3.1A and 5V 1.0A USB charging output, the charging speed is 3 times that of ordinary ports. 5Universal: Support U disk and memory card, call voice broadcast, music Eq mode. Suitable for 12V/24V car cigarette lighter. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin