Music U Disk Car MP3 Player Car FM Transmitter Car Hands-free for Bluetooth Product Features:  Crystal Music Kissing Your Ears: Bluetooth 5.0 transmission uses the purity and clarity of the special sound of DSP technology, offers full-duplex sound quality which will not be distorted.  One Click for Hands-free Calling: Built-in microphones and noise suppression (CVC) technology, our Bluetooth Car Adapter can offer clearer Hands-Free Calls, perfectly to switch songs, pick up calls, seamlessly connect. This Bluetooth transmitter for Car will make your driving safer and make you more focused without distraction to frequently check the screen. Easy to Connect & More Compatibility: See how easy to match your phone with this Bluetooth Transmitter for Car. Rotate the answer button adjust the FM transmitter’s station to be the same as that of your car. Lastly, Open your phone Bluetooth, and enjoy the multiple smart functions from your phone. Product Specification: Type: Bluetooth FM Transmitter Output current: 12V-24V Screen: LED screen Bluetooth Version: Bluetooth 5.0 FM Frequency: 87.5-108MHz Wireless Transmission Distance: 5~10M Memory Card(s) Supported:  U Disk Features: Bluetooth Wireless, Fast Charging Capability, Track Switching, Track Memory, Handsfree Calling, LCD Screen, Memory Card Slot, MP3 Player, Ambient Light Music Format: MP3/WAM Package Included: 1 x Bluetooth FM Transmitter 1 x User Manua