Ultimate Ears MEGABOOM 3 Portable Wireless Bluetooth Speaker with Waterproof/Dustproof Design Lagoon Blue 984-001392 - Best Buy
Gikysuiz Replacement Battery for Logitech UE MegaBoom Series Wireless Bluetooth Speaker fits Part Number 533-000116 533-000146 7.4V 3400mAh - Newegg.com
Amazon.com: Gikysuiz Replacement Battery for Logitech UE MegaBoom Series Wireless Bluetooth Speaker fits Part Number 533-000116 533-000146 7.4V 3400mAh : Electronics