Ultimate Ears WonderBoom 4 Active Black

Level up your sound anywhere with the Ultimate Ears WonderBoom 4 Active Black. This ultraportable Bluetooth speaker delivers crisp, punchy 360° audio and deep bass in a compact, rugged design. With 14 hours of battery life, it keeps the tunes pumping all day – whether you’re at the pool, beach, or shower. Its IP67 rating means it’s completely waterproof, dustproof, and even floats. Enjoy boosted outdoor sound or clear vocals with Podcast Mode, and double up for true stereo sound. Made with recycled plastic, the WonderBoom 4 is as eco-conscious as it is adventure-ready.

Key Features:
Surprisingly bigger 360-degree sound
Outdoor Boost button for louder audio in open spaces
Podcast Mode for enhanced vocal clarity
14 hours of playtime on a single charge
Waterproof, dustproof, and floats (IP67 rated)
Double up for stereo sound with another WonderBoom 4
40 metre (131 ft) wireless range
Durable, drop-tested from 1.5 m (5 ft)
Integrated loop for easy carrying
Made with minimum 31% post-consumer recycled plastic

Technical Specifications:
Maximum sound level: 86 dBC (normal), 87 dBC (outdoor)
Two 40 mm active drivers, two 46.1 mm x 65.2 mm passive radiators
Rechargeable lithium-ion battery, up to 14 hours battery life, 2.6 h charge time (with BC1.2 adapter)
Connect up to two source devices at once
Pair two WonderBoom 4 speakers for stereo sound or party mode
Height: 104 mm; diameter: 95.3 mm; weight: 420 g
System requirements: Bluetooth devices supporting A2DP

In the box:
WonderBoom 4 speaker
USB-C charging cable
User documentation