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 Ambient Lighting: Illuminate the floor with colorful ambient lighting Splash proof: With an IPX4 splash resistance rating, the XV500 speaker can stand up to splashes and spills, so you can enjoy the party with no worries. Karaoke & Guitar Input: You control the lighting and turn it on/off. You can also use motion control gestures on your smartphone screen. Bluetooth Connectivity: Streaming connectivity makes it simple to stream your party playlist. X Balanced Speaker: A unique Sony-developed speaker unit allows for rich, powerful bass and higher sound levels while maintaining clarity Sony Music Center App & Fiestable : Control the party with the Sony | Music Center app