"The time has come to unleash the true audio power of the PSP. Experience your favorite games and movies in dynamic sound with the Sound System for PSP. It"s a complete solution for enhanced listening and convenient recharging of your favorite handheld device. The system produces hi-fi quality sound from the combination of a subwoofer, dynamic tweeters and a 3D surround-sound processor. The docking station allows easy recharging. You will be in command with a volume up/down control and a surround sound on/off switch. A stereo line-in cable is included for playing other audio devices, such as an iPod, MP3 or CD player. It"s a must-have for any PSP owner. "