Ultimate Ears Wonderboom 4

13 hours of battery life, 360-degree directivity for easy placement, portable size, 'outdoors' mode eq

No custom eq, can't get very loud without noticeable compression

Great sound ; Finally charges with USB-C ; Superb durability (IP67 rated)

Very little change from the Wonderboom 3 ; Not the biggest sound ever, given its size

One of the best portable speakers on the market gets even better thanks to USB-C charging. Its pricing, sound quality and durability make it a stunning bit of hardware. It's also waterproof, giving it versatility come rain or shine.

Surprisingly rich and clear sound ; Durable, travel-friendly design ; Really solid battery life

Not a huge upgrade ; No Boom app support ; Wonderboom 3 is now better value

The Ultimate Ears Wonderboom 3 was already one of our favorite mug-sized Bluetooth speakers. In all honesty, the Wonderboom 4 doesn’t change too much, but still ticks the right boxes if you want an affordable option for listening anywhere. Its...

Excellent audio ; Powerful, well-rounded sound ; Optional stereo pair (with second speaker) ; Optional ‘Outdoor’ and ‘Podcast’ modes ; IP67 dust and waterproof ; Up to 14 hours battery life

No wired option

Little has changed in the Wonderboom 4, but you get great audio and long battery life in a good-looking, compact and durable design that’s perfect for parties and picnics, camping in the words or hanging out at the beach, as well as indoors, of course.