Logitech UE Megaboom 2 IPX7 360 Wireless Bluetooth Speaker Waterproof Shockproof Bluetooth Speaker 100% Original - AliExpress
Amazon.com: Ultimate Ears 2-Pack UE MEGABOOM 3 Bluetooth Wireless Speaker - Waterproof Big Portable Stereo Audio System with Extra Bass - Eco Friendly Packaging - Night Black : Electronics
UE Megaboom 3 review: UE Megaboom 3 is more durable, has better bass and a 'magic' button - CNET