JBL Go 4 Ultra-Portable Bluetooth Speaker — Blue, IP67 Waterproof, 7H Battery

The JBL Go 4 is a palm-sized, splashproof Bluetooth speaker that delivers surprisingly powerful JBL Pro Sound, portable battery life, and wireless multi-speaker options.

Small enough to carry everywhere, the JBL Go 4 pairs bold, clear audio and punchy bass with rugged everyday durability. Designed with an integrated carry loop and IP67 waterproof/dustproof protection, this blue ultra-portable speaker is meant for on-the-go listening — from city commutes and beach afternoons to backyard gatherings. It also includes eco-conscious materials in the grille and FSC-certified packaging.

How loud and clear is the JBL Go 4 for its size?

Despite its compact footprint, the Go 4 produces a fuller soundstage than you’d expect, focusing on crisp mids and enhanced low-end for contemporary tracks. You’ll get clear vocals and impactful bass that read well in small groups and outdoor settings.

• JBL Pro Sound tuning optimized for compact drivers
• Punchier bass profile compared with earlier Go models
• Stereo capability by pairing two units for left/right separation

What battery life and charging features should I expect on a day out?

The Go 4 runs up to 7 hours on a single charge, which covers most day trips and evening hangouts. If you need extra time, the Playtime Boost feature extends listening by roughly 2 hours, so you can stretch playback without immediate access to a charger.

• Standard runtime: up to 7 hours per full charge
• Playtime Boost: adds up to 2 additional hours when activated
• Quick to recharge for repeat use during travel

Can I use the speaker outdoors or around water?

The JBL Go 4 carries an IP67 rating, meaning it’s both waterproof and dustproof — safe for poolside listening and beach days. Its durable housing and secure integrated loop let you attach it to bags, belts, or hooks without worrying about sudden splashes or sand exposure.

• IP67-rated protection against water immersion and dust
• Sturdy integrated loop for simple transport and hanging
• Rugged build suited to outdoor and travel use

How does wireless pairing and expanding sound work?

Pair two JBL Go 4 speakers for true stereo separation or tap into Auracast technology to link multiple Auracast-enabled JBL speakers for larger gatherings. Bluetooth makes quick one-to-one pairing easy, and Auracast adds a scalable way to grow your sound system wirelessly.

• Pair two Go 4 units for left and right stereo channels
• Auracast support to connect multiple compatible speakers
• Smooth Bluetooth streaming from phones, tablets, and laptops

Who is this for? The JBL Go 4 is ideal for listeners who want notable JBL audio in a pocketable package: commuters, casual outdoor entertainers, students, and travelers who value durability, simple wireless pairing, and a playful color option like blue. It’s also a good fit for anyone seeking a compact speaker that balances sound quality, portability, and eco-conscious design elements without breaking the bank.