![Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker with Big Bass and 360-Degree Sound, Dustproof Floating Speaker with 131ft (40m) Range - Cobalt Blue [Warehouse]](https://m.media-amazon.com/images/I/41eWFu0tTqL._SL500_.jpg)
Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker with Big Bass and 360-Degree Sound, Dustproof Floating Speaker with 131ft (40m) Range - Cobalt Blue
Available
$127.46
Last confirmed 15 Oct 2026
Product prices and availability are accurate as of the date/time indicated and are subject to change.