Precision-engineered drivers deliver size-defying clarity and bass. Ultra-compact and lightweight, so you can take sound anywhere. Durable, IP67 waterproof and dustproof, and prepared for outdoor adventures. Rechargeable battery provides up to 10 hours of listening time. Automatic Trueplay fine-tunes sound for each new environment. Hands-free convenience with voice control and Alexa. Versatile design can stand upright or lie on its side