Car Audio Stereo system with built-in Smartphone support, MP3 and WMA music playback from USB and MicroSD input, Wireless Audio technology for hands-free calling and music playback, Built-in microphone, EQ function (Flat, Rock, Pop, Jazz, Class), Loud on off function, USB output for smartphone charging, Remote control, Front auxiliary input (AUX IN, RCA outputs, Power 100W (25W x 4), ISO connector, Fixed front panel with built-in smartphone holder (up to 16cm) - SA 500 PRO BK