... USB 2.0 slot 3, Memory card jack 4, Remote control 5, Piano finish Description:1, 2.1CH new arrival ... , 360º coder enables volume adjustment easily and freely8, Remote control directly select program from player,AUX Input etc, convenient ... , Switch power supply(worldwide suitable)14, Full function infrared remote control15, Philips amplifier chipAccessory:User Manual, A/V Line, Remote Control, ...