Ultra-Portable and Lightweight- Enjoy your summer essentials without the hassle of carrying a heavy speaker. Skullcandy's mini Bluetooth speaker is ultra-portable and lightweight. 16 Hour Battery Life- With 16 hours of playtime the Skullcandy Ounce holds enough juice to keep the party going all night long. Crystal Clear Sound: Experience high-quality sound with the downward firing passive radiator and engineered fabric mesh that maximizes high frequency audio waves. IPX7 Waterproof- Don't let a little rain or water ruin your fun. This weather resistant adventure-ready powerhouse can be submerged in up to 1 meter of water for up to 30 minutes. Nylon Carry Strap- Includes a built-in hanging strap so it