Product specifications • Full frequency FM transmitter • Digital Display • Frequency channels:87.5-108.0MHZ • Audio format:MP3/WAV • Supports U Disk Player • Supports MP3, format music • Wireless answer,hang up, reject,redial calls and other functions • Wireless stereo music play • Echo cancellation and nosie • Suppression(CVC)technology a call • Automactic power-off memory fuction • The length of the stretch line: 800mm • Product power: Max 120W • Input voltage: 12-24V • USB output: 5V/3.1A • UBS-C output: 5V/3.1A • iPhone output: 5V/3.1A • TYPE-C cable: Super fast charging (Max 100W)