Memory Size:4GB PC Interface:USB,Bluetooth-Enabled Combination:CD Player,Radio Tuner,MP4 Players,Bluetooth-Enabled Certification:CE,ROHS Supporst Card:Yes Product name:Car FM Transmitter MP3 Player Memory Size:max up 32G Combination:Bluetooth-Enabled, MP4 Players, Radio Tuner Supply voltage:12-24V Function:Handsfree, Play Music, Charging Mobile Material:ABS Version:V3.0 + EDR Frequency range:80.1-107.9MHz Charge output:5V2.1A Show More