​The JBL Go 4 is an ultra-portable Bluetooth speaker that delivers impressive JBL Pro Sound with punchy bass in a compact design. Its bold styling and vibrant color options are inspired by the latest street fashion trends, allowing you to choose a shade that matches your style. With an IP67 waterproof and dustproof rating, the Go 4 is built to withstand various environments, from poolside parties to seaside picnics. Enjoy up to 7 hours of playtime on a single charge, and extend your listening experience by an additional 2 hours using the Playtime Boost feature, which optimizes performance for louder and crisper sound. The integrated loop makes it easy to attach the speaker to your bag or belt, enhancing its portability. Additionally, the JBL Go 4 supports multi-speaker connection via Auracast™, allowing you to pair two Go 4 speakers for stereo sound or connect multiple JBL Auracast-enabled speakers for an even bigger audio experience. Embracing sustainability, the speaker incorporates post-consumer recycled plastic and fabric for the speaker grille and comes packaged in FSC-certified paper printed with soy ink. For personalized sound adjustments and updates, the JBL Portable app offers multiple EQ presets and a fully customizable equalizer, ensuring your music is tailored to your preferences