Tmvel Aquamasti Mini Ultra Portable Wireless Bluetooth Speaker : Louder Volume, More Bass, Water Resistant, Perfect Speaker for Golf, Beach, Shower & Home Rated IPX6 for 100% protection against Water and Dust. Rubberized rugged exterior for ultimate impact resistance. Built-in microphone and speakerphone - take calls hand-free directly through the speaker. Compact and Portable. Doubles as a Shower Speaker- listen to your favorite tunes while showering and still be able to control all the functions without having to step out of the shower. Lithium ion rechargeable battery Enjoy up to 10 hours of uninterrupted playtime with a single charge.