Key Features of Ultimate Ears BOOM 4 Bluetooth Speaker

• 360-Degree Sound – Packs a sonic punch with unique audio processing for clear, balanced audio at every volume, featuring deep bass and passive radiator.
• IP67 Rated Durability – Waterproof, dustproof, floatable, and drop-proof for rooftop parties or mountaintop use.
• 15-Hour Battery Life – Lithium-Ion rechargeable battery with 3-hour recharge via USB Type-C, powered for non-stop playback.
• PartyUp Connectivity – Pair up to 150+ speakers including BOOM 4, MEGABOOM 4, EVERBOOM, EPICBOOM, HYPERBOOM, and previous BOOM generations via UE BOOM app.
• Magic Button Control – One-tap play, pause, skip tracks; customizable one-touch playlists for Spotify, Amazon Music (Android), Apple Music (iOS).
• Spotify Connect, Apple Music, Amazon Music – Direct streaming support plus built-in equalizer for customized sound.
• Eco-Friendly Build – Minimum 52% certified post-consumer recycled plastic by weight, designed for recycling.
• Portable Design – Compact with attached bungee for easy carrying, compatible with Android, iOS, smartphones, tablets, Bluetooth devices.

Comprehensive Technical Specifications

Package Contents

• BOOM 4 Speaker System
• Bungee (attached to product)
• USB Cable
• Quick Start Guide (printed inside the box)

Why Choose Ultimate Ears BOOM 4 Portable Speaker

Engineered for bold portable sound with rugged IP67 protection and extended 15-hour battery, the BOOM 4 excels in outdoor settings. Its PartyUp feature and recycled materials support sustainable, immersive audio experiences across compatible devices.