The JBL Go Essential is an ultra-compact portable Bluetooth speaker. Stream music via Bluetooth for up to 5 hours of JBL Original Pro Sound. Make a splash with its IPX7 waterproof design. The Go Essential is the perfect speaker to take your music everywhere. Up to 5 hours of Playtime Built-in, rechargeable Li-ion battery supports up to 5 hours of playtime. Wireless Bluetooth Streaming Wirelessly stream high-quality sound from your smartphone or tablet. IPX7 waterproof To the pool. To the park. JBL Go Essential is IPX7 waterproof, so you can bring your speaker anywhere.