Ultimate EarsEVERBOOM Wireless Bluetooth Portable Speaker, Big Bass and Immersive 360-Degree Sound, Floatable Waterproof Speaker IP67, up to 20-Hour Battery and 55 m (180 ft) Range - Graphite

Ultimate Ears EVERBOOM Wireless Bluetooth Portable Speaker, Big Bass and Immersive 360-Degree Sound, Floatable Waterproof Speaker IP67, up to 20-Hour Battery and 55 m (180 ft) Range - Black

Ultimate Ears BOOM 4 Portable Waterproof Bluetooth Speaker With 360-Degree, Bold, Immersive, Crystal-Clear Sound, Floating Speaker With 15-Hour Battery and 45 m (147 ft) Range, USB-C - Black

Ultimate Ears MEGABOOM 4 Portable Waterproof Bluetooth Speaker With Powerful 360-Degree Sound and Thundering Bass, Floating Speaker With 20-Hour Battery and 45 m (147 ft) Range - Purple