Logitech Ultimate Ears WonderBoom 4 Waterproof Bluetooth Speaker - COBALT BLUE

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$90

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About this item

The Ultimate Ears Wonderboom 4 in Cobalt Blue is a compact Bluetooth speaker built for life outdoors, delivering full 360-degree sound from a rugged, waterproof shell. It's IP67 rated, floats in water, and keeps playing for up to 14 hours between charges. Model 984-001877 includes Outdoor Boost and Podcast Mode, and you can link two units for real stereo sound.

360-degree sound with up to 14 hours of playtime on a single charge
IP67 waterproof and dustproof, floats, and survives dunks up to 1m deep for 30 minutes
Drop-proof from 5ft (1.5m), Bluetooth range up to 131ft (40m)
Outdoor Boost button for open spaces, Podcast Mode for clearer vocals
Pair two Wonderboom 4 speakers together for true stereo sound (not PartyUp compatible)
Charges via USB-C (cable not included); made with at least 31% recycled plastic

Specifications

MPN: 984-001877
UPC: 097855189950
Type: Portable Speaker System
Brand: Ultimate Ears
Color: Blue
Model: Ultimate Ears WonderBoom 4
Features: Bluetooth, Waterproof, Water-Resistant
Material: Plastic
RMS Power: 10 W
Unit Type: Unit
Item Weight: 1 lb
Audio Inputs: USB-C
Connectivity: Bluetooth, Wireless
Battery Capacity: 4000 mAh
Charger Included: Yes
Compatible Brand: Universal
Compatible Model: Universal
Country of Origin: China
Year Manufactured: 2026
System Configuration: 2.0 Channel

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