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Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
  • Ultimate Ears Boom 4 Portable Bluetooth Speaker, Waterproof - Blue | Balanced 360-degree sound, clear audio, deep bass, floating design, 15-hour battery life, 147ft (45m) wireless range - Flex Gamingproduct_type
Ultimate Ears BOOM 4 Portable Waterproof Bluetooth Speaker – 4 Colors

Ultimate Ears BOOM 4 Portable Waterproof Bluetooth Speaker – 4 Colors

$129.99
4.2 ★★★★★(849)

Ultimate Ears BOOM 4 Portable Waterproof Bluetooth Speaker – 4 Colors

Blue

Color

360° sound that hits from every angle. The Ultimate Ears BOOM 4 delivers balanced, room-filling audio with deep bass and crystal-clear highs — whether you're at the beach, in the backyard, or floating it in the pool. With a 147ft wireless range, 15-hour battery life, and a floating waterproof design, the BOOM 4 is built to be wherever the good times are. Available in 4 colors.

Features

🔊 360° Balanced Sound: Omnidirectional audio delivers clear, powerful sound in every direction
🔊 Deep Bass: Rich, punchy low-end that you can feel as much as hear
🔊 Waterproof & Floating: Fully waterproof and buoyant — it floats so you never have to fish it out
🔊 15-Hour Battery Life: All-day playtime that keeps the music going from morning to night
🔊 147ft (45m) Wireless Range: Massive Bluetooth range keeps you connected across any outdoor space
🔊 Portable Design: Lightweight cylindrical form factor that goes anywhere with ease
🔊 4 Colors: Blue, Red, Black, and Lilac

What's in the Box

📦 1x Ultimate Ears BOOM 4 Bluetooth Speaker (color of choice)
📦 1x USB-C Charging Cable
📦 1x Quick Start Guide

Compatibility

⚙️ Devices: iOS and Android smartphones and tablets via Bluetooth
⚙️ Streaming: Spotify, Apple Music, YouTube Music, and all major streaming apps
⚙️ Multi-Speaker: Pair two BOOM 4s for stereo sound or connect multiple UE speakers

As an Amazon Associate, Flex Gaming earns from qualifying purchases.

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