Monoprice Deep Blue 5 Waterproof Portable Bluetooth 3.0 Speaker - Black | IPx4 Rated, 8 Hour Battery Life, 32ft Wireless Range, Compatible with Apple, Android, Samsung, Smartphones and Tablets Big Booming Sound: The Deep Blue Waterproof Speaker stuffs big sound into a small package. You won't believe how loud and how clear it can sound! Bluetooth Wireless: The built-in Bluetooth receiver allows you to connect wirelessly with your smartphone or table to distances up to 32 feet (10 meters). Listen to your tunes in the rain by choice or accident. The IPx4 ingress protection rating ensures that it can withstand rain and splashing water without shorting out or suffering damage of any kind. Listen Longer: The built-in Lithium-ion battery allows for up to 8 hours of continuous music on a single charge! Use the included Micro USB cable to charge the battery from any common USB source, including wall chargers, portable battery packs, and laptops.