Ultimate Ears BOOM 3 Bluetooth Speaker - Immersive 360° Sound, Enhanced Bass, IP67 Waterproof, Dustproof, Drop-Proof, Magic Button - NIGHT BLACK

ULTIMATE EARS WONDERBOOM 3, Small Portable Wireless Bluetooth Speaker, Big Bass 360-Degree Sound for Outdoors, Waterproof, Dustproof IP67, Floatable, 131 ft Range - Active Black

Ultimate Ears HYPERBOOM Portable Bluetooth Speaker - Loud Wireless Speaker With Big Bass, Water-Resistant IPX4, 150 Ft Range, 24-Hour Battery Life - Black

Ultimate Ears MEGABOOM 3 Bluetooth Speaker - Powerful 360° Sound, Deep Bass, IP67 Waterproof, Dustproof, Drop-Proof, One-Touch Control - NIGHT BLACK

Sony SRS-XB100 Wireless Bluetooth Portable Lightweight Super-Compact Travel Speaker, Extra-Durable IP67 Waterproof & Dustproof, 16 Hour Battery, Versatile Strap, and Hands-Free Calling, Black