Perfect for the pool, the Ultimate Ears Wonderboom 2 portable waterproof Bluetooth speaker livens up your summer parties. Submergible for 30 minutes and droppable from five feet, this Bluetooth speaker is durable enough for even the clumsiest people. It's also pretty powerful for its compact size and can handle any mid-sized party. And, with a 13-hour battery life, it ensures you won't have to worry about your portable waterproof Bluetooth speaker dying on you. Just charge it up, and you're set for the rest of the day. The speaker also has a new outdoor feature that pumps up the bass so the music projects with natural ambiance. Whether you're hitting the beach or hiking a trail, this device is perfect for livening up the experience.