The ION Audio Glow Stone Solar is a great-sounding outdoor speaker with a long-lasting rechargeable battery, so you don't need a power cord to fire it up. It streams music wirelessly from any Bluetooth-enabled device, plus it has a 1/8-inch Aux input for non-Bluetooth gear. With a robust 5-inch speaker and 12 watts of dynamic power, your music sounds vibrant and lifelike. But Glow Stone Solar is no ordinary "rock" speaker, however, The built-in LEDs create a glowing, lava effect in multiple selectable colors. The convenient top-mounted solar panel recharges the battery, or you can use the USB cable. Lightweight and easily portable–Glow Stone Solar.