Skullcandy (SCS7PCW-J582) Barricade Bluetooth Wireless Portable Speaker, Waterproof and Buoyant, Impact Resistant, 8-Hour Battery Life and 33 Foot Wireless Range with Microphone, Black WIRELESS LISTENING: Thirty-three feet of Bluetooth wireless connectivity range and an eight-hour battery let you enjoy your music anywhere. WATERPROOF AND IMPACT RESISTANT: Take it three feet under water and watch it float to the top thanks to an IPX7 waterproof and buoyant design. Structurally designed to take a beating outdoors while still looking right at home in the house. IMPRESSIVE SOUND: A 10W speaker and dual passive radiators work in concert to create powerful, dynamic sound with impressive low end bass PACKED WITH TECH: You can connect multiple users wirelessly, connect multiple speakers wired or wireless and charge your external devices INTEGRATED CONTROL: Take calls, manage your music and adjust volume even when not near your phone using the integrated remote buttons and microphone