No matter the location you can count on the High Sierra Lynx to deliver sound and power. With two four watt audio channels your music can be heard at the top of the mountain or around the pool. Plus it features a 2600 mAh battery to double as a powerbank. With an IP66 Rating this speaker is dustproof, waterproof, and drop proof. Includes carabineer clip to attached this speaker to your backpack for your every day adventure. Bluetooth working range is 10 meters (33 feet). Enjoy up to 6hrs. of music at max volume on a single charge.