PARTY LIGHTS: Light up the party with a dynamic light display that syncs to the music and dazzles your guests. Choose from a variety of preset patterns and let the colors groove to the music while you focus on the tunes. 6 HOURS OF PLAYTIME: Built-in rechargeable battery for up to 6 hours of playtime. IPX4 SPLASHPROOF: Beach bashes, poolside parties or dancing in the rain. IPX4 splash proof protection keeps your JBL Party Box On-The-Go safe when your party gets a little wet. PORTABLE DESIGN: The JBL Party Box On-The-Go has a padded shoulder strap with bottle opener attached so you can enjoy your favorite beverages as you groove the night awa