3.1A Multifunction Wireless Car MP3 Player Dual USB Fast Charging Transmitter Modulator Bluetooth Handsfree Car Audio

- Support Bluetooth hands-free phone calling via its built-in microphone. - Support A2DP function. Music will be played directly while the mobile phone is connected. - Built-in dual USB 5V / 4.1A output, 3.1A USB port support smart charging, it is available for charging most kinds of devices in car. - Support SD/TF memory card and USB flash drive (1A USB port) reading, can play music files on MP3/WMA/WAV and most FLAV format. - With a support of FM channels, this car MP3 wireless FM transmitter lets you take a break from your regular music. - LCD display of frequency and car battery voltage. - Plug the MP3 player into cigarette lighter of your car directly, easy to use and carry. - Bluetooth Version Bluetooth 3.0 - Files Supported MP3/WMA/WAV, most FLAV music - FM Frequency Range 87.5-108.0MHz - SNR 85dB (FM: 65dB) - Effective Distance 5m / 16.4ft - Working Voltage DC 12V-24V - USB Output 5V / 3.1A (Smart IC), 5V / 1A