Video by Altec Lansing via YouTube
Source
Delivering bass boosting sound, the RockBox XL will light up the party! With 5 different LED light modes, customize your lighting feature to match your music. The ultimate battery power, loaded with 20 hours of battery life – you will never have a fear running out of battery in the middle of your listening experience. Built-in USB Charging Port will ensure that your music won’t stop when your devices battery does. Never fear a rowdy party, the RockBox XL has an IP67 Waterproof rating protecting against all the elements!