Allsteel Architectural Waterproof Speaker

5" x 5" x 1" speaker can play music for up to 10 hours, has a 5-watt bass and subwoofer, and features a built-in carry handle. Rated at IPX7 waterproofing, which means it will work under 1 meter of water for up to 30 minutes without damage. As an added bonus, the packaging has a second life as a makeshift desk organizer.