QC3.0 Quick Charge & Type-C ChargingBluetooth 5.0 FM transmitter has 3 USB ports: QC3.0 + Type C + 5V/1A and can charge three devices simultaneously. With the latest QC3.0 technology, you can truly experience the extreme charging of your QC3.0 enabled devices. Type-C port (5V/3A) can fully charge your iOS or Android device efficiently. The 5V/1A USB port can play U disks up to 32GB. EQ functionThe Bluetooth FM transmitter uses CVC noise cancellation technology, the sound quality is phenomenal when of music playing and it also supports equalizer adjustment function, just press the "EQ" button in music mode to turn on/off the bass effect. Instantly improve car audio quality for you. 3 Music Playing ModesYou can share the best music quality with your friends with Bluetooth / USB flash drive (32GB) / TF card ( 32GB) on this car music player, long press the "BACK" button to switch the mode. : Bluetooth-USB-TF. MP3 / WMA / FLAC / WAV format music is supported. HANDS-FREE CALLSOnce the Bluetooth FM transmitter is connected with your smart phone, it allows you to make Smooth, clear calls with echo cancellation and CVC noise suppression technology. You just need to press the "Phone" button to answer / hang up / reject / call back, to switch between incoming calls and music perfectly. Make your driving easier and safer. Bluetooth V5.0 & stable transmissionAdopt technology of Bluetooth 5.0, Clydek FM transmitter has more stable connection and faster transmission when it is connected. is connected to a smart phone. Compared with Bluetooth 4.2, Bluetooth 5.0 has the following characteristics: 2x data transfer speed, 4x transmission range, 8x message broadcasting capacity, also compat