Built to withstand any adventure, the X-mini XoundBar W Bluetooth Portable Speaker is a rugged and compact device that works great whether it's inside or outside. With two 36mm audio drivers and 8 hours of playtime, you get a quality audio experience with enough power for longer adventures. The built-in microphone frees your hands while chatting with your friends and loved ones. It is waterproof and rated IPX7, which even makes it resistant to a short complete immersion in water. Additionally, the XoundBar W features a multi-use built-in 1/4" camera mount screw thread and detachable D-ring that lets you bring great sound almost anywhere.