OVERVIEW: SRS-XV500 packs with powerful sound, built-in lighting and a long-lasting battery—you can even plug in a karaoke mic and sing the night away. With the XV500, you have everything you need to entertain your friends and family. KEY FEATURES: Powerful Sound:SRS-XV500 packed with the Powerful sound you can carry around with clear and deep bass Built In Battery & Quick Charge: Now you can enjoy music non stop upto 25hrs of battery life, with 10 min Quick Charge you can get 2.5hrs playback...