Ultimate Ears WonderBoom 4 Portable Bluetooth Speaker - Joyous Bright Gray

Ultraportable Bluetooth® speaker with that notoriously bigger sound that’s extra-crispy and fully loaded with big bass. Blast it indoors and out. Now with Podcast Mode, specially tuned for crisp, clear vocals.

14 Hour Battery

Rechargeable lithium-ion battery for up to 14 hours of battery life between micro-USB charges.

Beats Dust, Splashes, and Floats

With its IP67 rating, it holds up against dust, dirt, big splashes—and it even floats in water.

Outdoor and Podcast Mode

Check out the new EQ mode specially designed for crisp, clear vocals, so podcasts sound great.

Surprisingly Bigger 360 Sound

Get that big, bassy stereo sound—all from one little speaker. Tap the Outdoor Boost for audio that’s specially tuned for the great outdoors.

A Real Road Warrior

It’s built to take 5-foot (1.5 m) drops3Drop-tested from 1.5 m.. And with 40 meters (131 feet) of wireless range, you’ve got freedom to explore—even when the road gets tough.

Pair It Easily With Google Fast Pair

In one tap, the WONDERBOOM 4 enables quick, effortless Bluetooth pairing with your Android4Android phones running Marshmallow and above/6.0+ devices.

Party for the Planet

Plastic parts in WONDER­BOOM 4 include a minimum of 31% certified post-consumer recycled plastic excluding packaging by weight. “Post-consumer” means it’s made with plastic sourced from end-of-life electronics. So it’s literally the life of the party.

Double Up for Serious Sound

All you gotta do is pair up two. Press once to double up. Press again for a full two-channel stereo assault—that’s left and right channels blasting from each respective speaker.