Features: The 1.5 inches color screen and 180-degree rotatable neck of car bluetooth FM transmitter offer a much wider viewing for incoming phone number, battery voltage and more information that provides more security and convenience for your driving. Visually display various tuncticnal information:Caller ID, music lyrics display, sound adjustment, voltage information and so on.Voltage real-time monitoring display, low voltage flashing alarm,Support breakpoint memory,1. Voltage real-time monitoring display, low voltage flashing alarm 2. Support breakpoint memory Support U-Disk and TF card play music,Synchronized display of music lyrics,Customize your sound,the bass is steady and powerful,and the treble is precise and elegant,Use for car and mobile phones,applicable to mainstream 12V-24V cars on the market,compatinble with massive APPs Support QC 3.0 QC2.0PDHuawei FCPSamng AFCBC1.2 Ape 2.4A and other charging protocols,high+DSP dual-core architecture, CVC intelligent noise reduction and noise cancellation technology,listening to songs more smooth and make calls more clear. FM Bluetooth Transmitter Build in MIC,clear and smooth calls,You can stay fully focused on the road by using Siri or Voice Assistant to make phone calls