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Item #:
103232021
Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker With Big Bass and 360-Degree Sound, Dustproof Floating Speaker With 131ft (40m)
89% of respondents would recommend this to a friend
Item #:
103232021
WST 274
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Saturday, September 26
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WONDERBOOM 4 delivers bigger 360° sound in a petite package, with 14 hours of playtime and waterproof durability.
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What Stands Out
360-Degree Sound
Experience immersive audio with 360-degree sound projection, ensuring every angle delivers rich and vibrant tones for an unparalleled listening experience.
Waterproof & Dustproof
Ideal for outdoor adventures, the WONDERBOOM 4 is both waterproof and dustproof, providing durability and reliability in any environment, whether by the pool or at the beach.
Extended Range
Enjoy your favorite music from a distance with an impressive 131-foot (40m) Bluetooth range, allowing flexibility in movement without compromising sound quality.
Product Details
| Battery life | 14 h |
| Ip code | IP67 |
| Features | Floatable |
| Maximum transmission range | 131 ft |
| Color | Black |
| Assembled product weight | 1.36 lb (620 grams) |
| Brand | Ultimate Ears |
| Wireless | Bluetooth |
| Battery consumption type | Integrated Rechargeable Battery |
| Smart control | Google Home |
| Model name | WONDERBOOM 4 |
| Inputs & outputs | Bluetooth |
| Rec location | Indoor, Outdoor |
| Accessories included | Bungee (attached to product), USB Cable, Quick Start Guide ( printed inside the box) |
| Height | 4.52 in (11.5 cm) |
| Number of speakers | 1 |
Who Should Buy?
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Outdoor Enthusiasts
Ideal for camping, hiking, or beach trips where waterproof and dustproof features are essential for durability.
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Party Hosts
Perfect for backyard parties or gatherings, providing high-quality sound with 360-degree coverage that fills the space.
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Travelers
Compact and lightweight, making it an excellent portable option for travelers seeking reliable sound on the go.
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Audiophiles
Sound quality may not satisfy those looking for professional-level audio performance or high-fidelity sound.
Product Description
Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker With Big Bass and 360-Degree Sound, Dustproof Floating Speaker With 131ft (40m) Range, Black
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
How long does the battery last?
Answer: The WONDERBOOM 4 has a battery life of 14 hours. -
Question:
Is the speaker waterproof?
Answer: Yes, it has an IP67 rating and is waterproof and dustproof. -
Question:
Can I pair two WONDERBOOM 4 speakers together?
Answer: Yes, you can easily double up two speakers for a bigger sound experience.
Ultimate Ears Portable Waterproof Speakers Editorial Review
Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker offers an impressive audio experience with big bass and 360-degree sound. Users love its exceptional sound quality and volume, noting that it's perfect for outdoor adventures and gatherings thanks to its IP67 waterproof rating and 14-hour battery life. With a remarkable Bluetooth range of 131 feet, the speaker allows for a seamless listening experience, even from a distance. Many reviewers have highlighted its portability and durability, making it a great companion for various occasions. However, some users have mentioned occasional brief Bluetooth disconnections, which are generally considered manageable compared to the overall performance of the speaker.
Customer Reviews & Ratings
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Pros
- Impressive 360-degree sound quality
- IP67 rated for waterproof and dustproof
- Lightweight and portable design
- Long 14-hour battery life
- Great for both indoor and outdoor use
Cons
- Occasional brief Bluetooth disconnections noted
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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WST 274
Order now and get it around Saturday, September 26
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Bigger 360° sound in a compact design.
- 14 hours of playtime to keep the music going.
- IP67 waterproof and dustproof rating for all environments.
- Double up with two speakers for enhanced stereo sound.
- Durable, portable design with 131 ft wireless range.
- Environmentally friendly, made from 31% post-consumer plastic.
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