Etekcity Roverbeats T20C Waterproof Portable Wireless Bluetooth Speaker, Shower/Outdoor (Green) STURDY, WEATHERPROOF with a rubberized exterior, full alloy steel housing, and carabiner mean the T20C can take the drops, spills, and splashes life throws at it MAX 5W OUTPUT for an incredibly powerful high-def audio experience even on the high end of volume. Engineered to outlast the outdoors, no matter where you go. BUILT IN MIC for hands-free phone calls. Designed to encourage a safe, distraction-free driving environment. PORTABLE DESIGN: fast on-the-go functionality. Attach to buckles and bags with the included carabiner clip for simplified hands-free performance. RECHARGEABLE BATTERY plays music and audio for up to 7 full hours on a full charge. A CSR blutetooth chip with up to 10 meters (33 feet) of wireless playback range.