---
product_id: 651161158
title: "Ultimate Ears Boom 4 Portable Waterproof Bluetooth Speaker with 360-Degree, Bold, Immersive, Crystal-Clear Sound, Floating Speaker with 15-Hour Battery and 147ft (45m) Range - Black"
brand: "ultimate ears"
price: "HK$2088"
currency: HKD
in_stock: true
category: "Ultimate Ears"
url: https://www.desertcart.hk/products/651161158-ultimate-ears-boom-4-portable-waterproof-bluetooth-speaker-with-360
store_origin: HK
region: Hong Kong
---

# IPX7 waterproof & floatable 360° immersive sound 15-hour nonstop battery Ultimate Ears Boom 4 Portable Waterproof Bluetooth Speaker with 360-Degree, Bold, Immersive, Crystal-Clear Sound, Floating Speaker with 15-Hour Battery and 147ft (45m) Range - Black

**Brand:** ultimate ears
**Price:** HK$2088
**Availability:** ✅ In Stock

## Summary

> 🎶 Take your sound anywhere—dive in, drop it, and dominate the vibe!

## Quick Answers

- **What is this?** Ultimate Ears Boom 4 Portable Waterproof Bluetooth Speaker with 360-Degree, Bold, Immersive, Crystal-Clear Sound, Floating Speaker with 15-Hour Battery and 147ft (45m) Range - Black by ultimate ears
- **How much does it cost?** HK$2088 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/651161158-ultimate-ears-boom-4-portable-waterproof-bluetooth-speaker-with-360)

## 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

- • **Eco-Chic Design:** Crafted with 52% recycled plastic—sound that’s powerful and planet-friendly.
- • **Built for the Wild:** IPX7 waterproof and drop-proof up to 15 feet—your ultimate adventure companion.
- • **Endless Playtime Freedom:** 15 hours of continuous music on a single charge keeps the party going all day.
- • **Seamless Wireless Control:** Magic Button for one-touch playlists and 147ft Bluetooth range to roam freely.
- • **Unleash 360° Sound Everywhere:** Bold, crystal-clear audio that fills any space with rich, balanced bass.

## Overview

The Ultimate Ears Boom 4 is a rugged, portable Bluetooth speaker delivering 360-degree immersive sound with deep bass. Waterproof to IPX7 standards and drop-proof up to 15 feet, it’s designed for outdoor adventures. With a 15-hour battery life and 147ft wireless range, it offers uninterrupted music freedom. The Magic Button enables instant playlist control, and its eco-conscious build includes over half recycled plastic, making it a smart, stylish choice for on-the-go professionals.

## Description

Grab the super-portable wireless Bluetooth speaker that’s built for adventure. Seriously waterproof with balanced 360-degree sound, deep bass, and one-touch music controls, the Ultimate Ears BOOM 4 is the ultimate go-anywhere speaker. Experience four different EQ modes or customize yourself. You can even pair the BOOM 4 Bluetooth waterproof speaker with MEGABOOM, EVERBOOM, EPICBOOM and HYPERBOOM portable Bluetooth speakers for more fun. The BOOM 4 is an extremely wireless speaker with 45 meters (147 feet) of range, so you can walk away and keep the tunes comin’. Long-press the Magic Button to access your playlists, or set up one-touch playlists on your favorite streaming platforms like Spotify, desertcart Music on Android,* and Apple Music on iOS. Ultimate sound. Made to wander.

## Features

- Ultimate Sound: The BOOM 4 portable waterproof Bluetooth speaker delivers rich, 360-degree sound and deep, accurate bass, all carefully balanced so you can hear every note
- Powered for Adventure: This waterproof portable speaker has a rechargeable battery that stays powered, pumping tunes for 15 hours on a single charge
- A Bluetooth Waterproof Speaker Made for the Outdoors: Rated IPX7 waterproof and drop-proof up to 15 feet (1.5 meters), the BOOM 4 floating Bluetooth speaker is virtually indestructible
- Party Up: Use PartyUp on the Ultimate Ears Boom app to pair several BOOM, MEGABOOM, EVERBOOM, EPICBOOM, and HYPERBOOM portable Bluetooth speakers, creating the ultimate surround sound experience
- Magic Button: Play, pause, skip, and control music directly from your favorite streaming service; set up one-touch playlists on platforms like Spotify, desertcart Music on Android, or Apple Music on iOS
- Extremely Wireless: With 45 meters (147 feet) of range, you can walk away from your BOOM 4 wireless speaker and keep the tunes comin’
- Made With Recycled Plastic: The plastic parts in the Ultimate Ears BOOM 4 wireless Bluetooth speaker include a minimum of 52% post-consumer recycled plastic by weight

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CVFKZ1LC |
| Additional Features | Portable, Shockproof, Stereo Pairing, USB Port, Waterproof |
| Antenna Location | For Computers, For Music Players, For Smartphones or Tablets |
| Audio Driver Type | Dynamic Driver |
| Audio Output Mode | Stereo |
| Battery Average Life | 15 hours |
| Battery Capacity | 3200 |
| Battery Charge Time | 3 hours |
| Best Sellers Rank | #47,566 in Electronics ( See Top 100 in Electronics ) #995 in Portable Bluetooth Speakers |
| Bluetooth Range | 45 Meters |
| Brand | Ultimate Ears |
| Built-In Media | Quick Start Guide (Printed in paper.), ULTIMATE EARS BOOM 4, USB-C Cable |
| Color | Black |
| Compatible Devices | Smartphone, Tablet, Computer |
| Connectivity Protocol | Bluetooth |
| Connectivity Technology | Bluetooth |
| Control Method | App |
| Controller Type | Button |
| Customer Package Type | FFP |
| Customer Reviews | 4.3 4.3 out of 5 stars (893) |
| Enclosure Material | plastic |
| Frequency Response | 17 KHz |
| Is Electric | Yes |
| Is Waterproof | True |
| Item Dimensions D x W x H | 7.3D x 7.3W x 18.4H centimeters |
| Item Weight | 620 Grams |
| MP3 player | No |
| Manufacturer | Logitech |
| Maximum Range | 45 Meters |
| Model Name | Boom 4 |
| Model Number | 984-001963 |
| Mounting Type | Shelf Mount |
| Number of Audio Channels | 5.1 |
| Number of Batteries | 1 Lithium Polymer batteries required. |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Processor Count | 1 |
| Speaker Maximum Output Power | 80 Watts |
| Speaker Size | 10 Inches |
| Speaker Type | Outdoor |
| Specific Uses For Product | Gaming, Party, Travel |
| Tweeter Diameter | 1 Inches |
| UPC | 097855197689 |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |

## Product Details

- **Audio output mode:** Stereo
- **Brand:** Ultimate Ears
- **Connectivity technology:** Bluetooth
- **Frequency response:** 17 KHz
- **Speaker maximum output power:** 80 Watts

## Images

![Ultimate Ears Boom 4 Portable Waterproof Bluetooth Speaker with 360-Degree, Bold, Immersive, Crystal-Clear Sound, Floating Speaker with 15-Hour Battery and 147ft (45m) Range - Black - Image 1](https://m.media-amazon.com/images/I/81LBtcoeyIL.jpg)

## Available Options

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

## Frequently Bought Together

- Ultimate Ears Boom 4 Portable Waterproof Bluetooth Speaker with 360-Degree Immersive Sound, Outdoor Floating Speaker, 15-Hour Battery, 147ft Range - Black
- Case Compatible with Ultimate Ears Boom 4 Portable Waterproof Bluetooth Speaker, Travel Carrying Storage Holder for UE 3 4, USB Cable and Adapter (Box Only) -Black
- 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.hk/products/651161158-ultimate-ears-boom-4-portable-waterproof-bluetooth-speaker-with-360](https://www.desertcart.hk/products/651161158-ultimate-ears-boom-4-portable-waterproof-bluetooth-speaker-with-360)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-11-02*