QC3.0 Quick Charge & Type-C ChargingThe Clydek Bluetooth 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. 5V/1A USB port can play U disks up to 32GB.Crystal Clear Sound & EQ FunctionThe Bluetooth FM transmitter uses CVC noise cancellation technology, the sound quality is phenomenal when playing music. music 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 "BACK" button to switch mode. : Bluetooth-USB-TF. MP3/WMA/FLAC/WAV format music is supported.HANDS-FREE CALLSOnce the Bluetooth FM transmitter is connected to your smart phone, it allows you to make calls smoothly and clearly with CVC echo cancellation and 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 connected with smart phone. Compared with Bluetooth 4.2, Bluetooth 5.0 has the following characteristics: 2x data transfer speed, 4x transmission range, 8x message broadcasting capability, also compatible with V1, V2, V3, V4, V4.1 and V4 .2.