The JBL Go 4 is an ultra-compact Bluetooth speaker that delivers powerful sound in a small portable package. With an IP67 rating it is fully waterproof and dustproof making it perfect for poolside beach trips or outdoor adventures. It provides up to 7 hours of uninterrupted playback extendable with the Playtime Boost feature. JBL Pro Sound technology ensures clear audio with punchy bass for its size. Designed with durability in mind the Go 4 features a partially recycled material housing and comes in vibrant color options. A built-in carrying loop allows for easy transport while the JBL Portable app lets you customize sound settings and keep the speaker updated with the latest firmware. 3. Key Specifications Sound Output: 4.2 W RMS Battery Life: Up to 7 hours extendable with Playtime Boost Water Dust Resistance: IP67 certified Connectivity: Bluetooth 5.3 Charging Port: USB-C Dimensions: 9.4 x 7.8 x 4.2 cm Weight: 190 g Extra Features: Multi-speaker pairing via Auracast JBL Portable app support Material: Partially made from recycled plastic and fabric