T43 Car FM Transmitter MP3 Player with USB Charger and Battery Voltage Display
Model: T43 V 4.2. Display FM Frequency. MP3 Function FM transmission frequency: 87.5-108 MHz. USB 2.4A charging socket. USB interface: 3pcs ( for QC3.0, USB2.4A, U disk socket). -key Hand- Call. Display the spectrum of sound wave.