WATERPROOF PORTABLE BLUETOOTH SPEAKER- A rating of IPX66 means you can take this wireless speaker anywhere. Its Powerful sound and Rugged design makes it ideal for Travel. Take it Hiking, in the Shower or just us it to listen to music in your Kitchen ENJOY UP TO 8 HOURS UNINTERRUPTED SOUND - Advanced Bluetooth Technology ultra-optimized to consume Less Energy and maintain Crystal Clear Sound. Lithium Ion Rechargeable battery brings 8 hours of uninterrupted speaker Playtime with a single charge. GIFT FOR HIM OR HER - Get ready for holiday with an Impressive Retail Package, quality design, without the premium price. The Photive Hydra's performance along with loud room filling sound makes it one of Photive Best Buys.