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Key Features
- Surprisingly Bigger 360- Degree Sound
- Outdoor Boost and Podcast Mode
- 14 Hours of Boom
- Waterproof, Dustproof, and Floatable
- Double Up for Stereo
Logitech Ultimate Ears Wonderboom 4 Portable Bluetooth Speaker - Black, 984-001882

Ultraportable Bluetooth® speaker with a surprisingly bigger 360° sound. It’s crisp, bassy, and ready to go with 14 hours of boom. The IP67 rating means it’s waterproof, dustproof, and floats. Take it to the pool, the beach, or even the shower. It’s amazing sound, no matter where you take it.
Key Features:
Waterproof, Dustproof, and Floatable
IP67- rated this Bluetooth waterproof speaker can be submerged in 1m of water for 30 min; protected from dust; ideal for the pool, beach, or shower.
Surprisingly Bigger 360- Degree Sound
The WONDERBOOM 4 portable waterproof Bluetooth speaker features bigger 360-degree sound in a petite package; boosted sound for up to 14 hours of playtime.
Double Up for Stereo
Pair up two WONDERBOOM 4 portable Bluetooth speakers for even bigger sound; press once to double up; press again for true stereo from both speakers, with left and right channels.
Durable Wireless Speaker with Range
40 metres (131 feet) of range so you’re free to roam; plus it’s dirt-resistant and drop-proof1 with a handy loop so you can take it with you
Outdoor Boost and Podcast Mode
Engineered for full stereo sound; tap the Outdoor Boost button for outdoor environments; use the new Podcast Mode to make vocals sound rich and clear.
1 Drop-tested from 1.5 m (5 ft)
Specifications
Global
- EAN: 0097855190048
- Model Number: 984-001882
General
- Colour: Black
Features
- Android/Ios Compatible: Yes
- Built-In Speakerphone: Yes
- Dust Resistant: Yes
- Rechargeable Battery: Yes
- Waterproof: Yes
Battery
- Battery Type: lithium-ion battery
- Estimated Battery Life (h): 14
- Playback Time (Hrs): 14
Connectivity
- Bluetooth: Yes
- NFC: Yes
Dimensions
- Depth: 95.3mm
- Height: 104mm
- Width: 95.3mm
Weight
- Weight (Kg): 0.42
In The Box & Warranty
- Included: ULTIMATE EARS WONDERBOOM 4, Bungee (attached to product), USB Cable, Quick Start Guide (printed inside the box)
- Warranty (Years): 2
Why Buy?
Big Sound, Zero Fuss — Wherever You Go
The Ultimate Ears Wonderboom 4 is the kind of speaker you grab without thinking — small enough to toss in a bag, tough enough to handle whatever your day throws at it, and loud enough to fill any space with surprisingly rich, room-filling sound.
Sound wraps around you in every direction, so there's no "sweet spot" you need to sit in front of. Heading outside? A dedicated Outdoor Boost mode projects the sound further so it cuts through wind and open air. If you're catching up on podcasts or calls, a dedicated mode makes voices clearer and easier to follow. Battery life stretches to a full 14 hours, so it'll comfortably last all day — from morning coffee through to an evening on the deck. Drop it in water, take it to the beach, or leave it poolside — it floats, and it's built to handle dust and splashes without a second thought.
It pairs quickly, sounds great straight away, and needs no setup fuss. If you want to go bigger, link two together for proper stereo sound.
Buy This If…
- You want a go-anywhere speaker that sounds much bigger than it looks
- You spend time outdoors and need something genuinely tough and waterproof
- You like all-day battery without needing to recharge mid-use
- You want clearer podcast or voice listening on the go
- You're after a simple, reliable speaker with no complicated setup




