Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker Blue 3.7 in with Big Bass and 360-Degree Sound
Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker With Big Bass and 360-Degree Sound, Dustproof Floating Speaker With 131ft (40m) Range, Blue - Battery Rechargeable
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Ultimate Ears

Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker With Big Bass and 360-Degree Sound, Dustproof Floating Speaker With 131ft (40m) Range, Blue - Battery Rechargeable

|37 ratings

Key item features

  • Portable Design: The Ultimate Ears WONDERBOOM 4 is a portable Bluetooth speaker, engineered for convenient transport and enjoyment in various locations.
  • Immersive Audio: Delivers powerful big bass and immersive 360-degree sound for a complete and rich auditory experience from all directions.
  • Rugged Resilience: Features robust waterproof and dustproof construction, ensuring durable performance and protection against environmental elements.
  • Floating Capability: Designed to float, this speaker is ideal for use during water-based activities without the concern of sinking.
  • Extended Wireless: Offers an expansive 131-foot (40-meter) Bluetooth range, providing significant freedom for placement and connectivity.
  • Rechargeable Power: Equipped with an internal rechargeable battery, enabling sustained playback and convenient power management for on-the-go use.
  • Vibrant Blue: Presented in a distinct blue color, offering a clear and specific aesthetic choice for the user.
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4.2 out of 5 stars
stars
37 ratings20 reviews
How item rating is calculated
  1. 5 stars68% (25)
  2. 4 stars14% (5)
  3. 3 stars5% (2)
  4. 2 stars3% (1)
  5. 1 star11% (4)
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Showing 1-3 of 20 reviews

Jul 5, 2026
Reviewer name: Anonymous
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

Works well in my car 🚙

I got this speaker to replace one fron another brand that was 3x the price, and the sound from this one is better, if anything. Podcasts especially sound very clear, and I love everything about it. Well worth the money!

Review from Dell US
Helpful?59NRZ3PUXVM07384619013
Jul 8, 2026
Reviewer name: GG S.
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

Great gift

Father's Day gift that turned out to be a big win with the recipient; has been enjoying it all summer

Review from Logitech
Helpful?59NRZ3PUXVM07384619013
reply from Logitech

Glad to hear the WONDERBOOM 4 made such a perfect Father’s Day gift! Knowing it’s been enjoyed all summer long is exactly the kind of story we love. Thanks for sharing how it’s been a big win.

Jun 20, 2026
Reviewer name: Shideh
Top Reviewer
Sold and shipped byCellularwerx
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Fits in my purse perfectly! Love it

This speaker is so great.. its size is perfect for taking it places and it fits in my purse. Great sound and quality. So happy with my purchase

Incentivized Review
Helpful?59NRZ3PUXVM07384619013
Current price is $64.99$64.99/in
Price when purchased online
5 free offers, including Apple Music up to 2 months Free
  • Free shipping
  • Free Holiday returns until Jan 31
$64.99
$66.49
Walmart Accident Plan by Allstate

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Sold and shipped by Esquared Shop
4.529953917050691 out of 5 stars
4.5 stars out of 5, based on 435 seller reviews(4.5)
Extended holiday returns
Free Holiday returns until Jan 31
Other sellers
$68.98
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Shipping, arrives by Thu, Oct 22 to Columbus, 43215
Sold and shipped by Newegg Inc.
Extended holiday returns
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$69.99
+Free shipping
Shipping, arrives by Thu, Oct 22 to Columbus, 43215
Sold by Square Trade Group LLC
Fulfilled by Walmart
Extended holiday returns
Free Holiday returns until Jan 31