---
product_id: 639050564
title: "Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker with Big Bass and 360-Degree Sound, Dustproof Floating Speaker with 131ft (40m) Range - Blue"
brand: "ultimate ears"
price: "¥23771"
currency: JPY
in_stock: true
category: "Ultimate Ears"
url: https://www.desertcart.jp/products/639050564-ultimate-ears-wonderboom-4-portable-waterproof-bluetooth-speaker-with-big
store_origin: JP
region: Japan
---

# IP67 waterproof & dustproof 360° immersive sound 14-hour nonstop playtime Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker with Big Bass and 360-Degree Sound, Dustproof Floating Speaker with 131ft (40m) Range - Blue

**Brand:** ultimate ears
**Price:** ¥23771
**Availability:** ✅ In Stock

## Summary

> 🎉 Elevate every moment with sound that moves as fast as you do!

## Quick Answers

- **What is this?** Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker with Big Bass and 360-Degree Sound, Dustproof Floating Speaker with 131ft (40m) Range - Blue by ultimate ears
- **How much does it cost?** ¥23771 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/639050564-ultimate-ears-wonderboom-4-portable-waterproof-bluetooth-speaker-with-big)

## Best For

- ultimate ears enthusiasts

## Why This Product

- Trusted ultimate ears brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Double the Boom:** Pair two WONDERBOOM 4 speakers for true stereo sound and an amplified party vibe.
- • **Eco-Chic Design:** Made with 31% post-consumer recycled plastic—sound that’s good for you and the planet.
- • **Built for Adventure:** IP67-rated waterproof, dustproof, and floatable—perfect for poolside, beach days, or rainy commutes.
- • **All-Day Audio Freedom:** Up to 14 hours of battery life means your soundtrack never quits.
- • **Bigger Sound, Smaller Package:** Experience booming 360-degree sound that fills any space, indoors or out.

## Overview

The Ultimate Ears WONDERBOOM 4 is a compact, portable Bluetooth speaker delivering powerful 360-degree sound with deep bass. Featuring an IP67 rating, it’s waterproof, dustproof, and floatable, making it ideal for outdoor and aquatic environments. With up to 14 hours of battery life and a 131ft wireless range, it keeps the party going all day. Pair two for true stereo sound, all while supporting sustainability with recycled materials.

## Description

The Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker is a floating Bluetooth Speaker that is ultra portable and with surprisingly bigger, 360-degree sound. It’s crisp, bassy, and ready to go with 14 hours of boom. The IP67 rating means this wireless speaker is waterproof, dustproof, and floats. Take it to the pool, the beach, or even the shower. Experience amazing sound—wherever life takes you.

## Features

- 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
- 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
- 14 Hours of Boom: With a battery that lasts throughout the day, this waterproof portable speaker booms on with up to 14 hours of playtime, so you can soak up every moment
- 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
- 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: 131 feet (40 meters) of range so you’re free to roam; plus it’s dirt-resistant and drop-proof (1) with a handy loop so you can take it with you
- Made With Recycled Plastic: Plastic parts in the WONDERBOOM 4 wireless Bluetooth speaker include a minimum of 31% post-consumer recycled plastic by weight
- (1) Drop-tested from 5 ft / 1.5 m

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BRXJVG1S |
| Additional Features | Dustproof, Lightweight, Portable, Shockproof, Waterproof |
| Age Range Description | Adult |
| Antenna Location | For Smartphones or Tablets, For Computers |
| Audio Driver Size | 40 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Battery Average Life | 14 Hours |
| Best Sellers Rank | #16,019 in Electronics ( See Top 100 in Electronics ) #326 in Portable Bluetooth Speakers #1,533 in MP3 Player Accessories |
| Bluetooth Range | 40 Meters |
| Brand | Ultimate Ears |
| Built-In Media | Wonderboom 4 Blue |
| Color | Blue |
| Compatible Devices | Desktop, Laptop, Smartphone, Tablet, Television |
| Connectivity Protocol | Bluetooth |
| Connectivity Technology | Bluetooth |
| Control Method | Touch |
| Controller Type | Remote Control |
| Customer Package Type | Standard Box |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,946) |
| Enclosure Material | Plastic |
| Is Waterproof | True |
| Item Dimensions D x W x H | 10.2D x 10.2W x 20.3H centimeters |
| MP3 player | No |
| Manufacturer | Logitech |
| Maximum Range | 40 Meters |
| Model Name | Wonderboom 4 |
| Model Number | 984-001877 |
| Mounting Type | Tabletop Mount |
| Number of Audio Channels | 2.0 |
| Number of Batteries | 1 Lithium Polymer batteries required. |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Speaker Maximum Output Power | 10 Watts |
| Speaker Size | 40 Millimeters |
| Speaker Type | Portable Bluetooth Speaker |
| Specific Uses For Product | Gaming, Party, Travel |
| Subwoofer Connectivity Technology | Wireless |
| Tweeter Diameter | 0.75 Inches |
| UPC | 097855189950 |
| Unit Count | 1 Count |
| Warranty Type | Limited |
| Water Resistance Level | Waterproof |
| Wireless Technology | Bluetooth |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** Ultimate Ears
- **Connectivity technology:** Bluetooth
- **Mounting type:** Tabletop Mount
- **Speaker maximum output power:** 10 Watts

## Images

![Ultimate Ears WONDERBOOM 4 Portable Waterproof Bluetooth Speaker with Big Bass and 360-Degree Sound, Dustproof Floating Speaker with 131ft (40m) Range - Blue - Image 1](https://m.media-amazon.com/images/I/81CfcmphL+L.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

- Ultimate Ears WONDERBOOM 4 Outdoor Speakers Bluetooth Waterproof with Big Bass & 360-Degree Sound, Dustproof Floating Wireless Speaker, 131ft Range - Blue
- LTGEM Case Compatible with Ultimate Ears WONDERBOOM 4/3/2 Portable Waterproof Speaker, Blue
- USB Charge Cable Cord Wire & Fast Charging QC3.0 AC Wall Adapter Block for UE Ultimate Ears Power Up Charging Dock, Boom 3, Megaboom 3, Blast, Megablast, Wonderboom, Roll

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**Shop now:** [https://www.desertcart.jp/products/639050564-ultimate-ears-wonderboom-4-portable-waterproof-bluetooth-speaker-with-big](https://www.desertcart.jp/products/639050564-ultimate-ears-wonderboom-4-portable-waterproof-bluetooth-speaker-with-big)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-25*