... remote control :volume +/-,Prev, Next,Forward,Rewind,Play/Pause. Excellent sound effects, a mini remote with 8 meters control distance2. Charge ... 21.3 × W 5.5 × H 8 cm5. Internal 3D surround sound processor6. Blue soft-light illumination7. Input: AC 100-240V 50 ... mm stereo line in for playing other andio devices including ipod , mp3 ,CD player,Mini Disc,etc. Speaker for PSP ...