Dynamic Stereo: Enjoy crisp energetic sound with impressive volume powered by 2 x 8W stereo drivers with remarkable frequency response. Sublime bass is delivered by dual passive subwoofers.</br>Tough Tech: Tough Bluetooth speakers. IP67 waterproof (1m depth) and dust-tight. Shock resistant.</br>Bluetooth 4.1: Advanced Bluetooth tech offers an extended 66ft range (outside) so you can take your phone further without losing connection and make hands-free calls with the built-in noise-canceling mic.</br>Breakthrough Battery Performance: 15-hour playtime from the built-in high-capacity lithium-ion battery (with Anker's industry-leading power management) keeps your music playing all day non-stop. You can even charge your phone or tablet with the charging port. Playtime varies according to volume level and audio content.</br>What You Get: Anker SoundCore Sport XL Micro USB cable hand strap welcome guide our worry-free 18-month warranty and friendly customer service.</br></br>Product Description</br></br><b>Anker SoundCore Sport XL</b><br> The Tough Outdoor Bluetooth Speaker with Impressive Volume<br><br> <b>From ANKER?? the Choice of 20 Million+ Happy Users</b><br> ? Industry-Leading Technology<br> ? Worry-Free Warranty<br> ? 99% Positive Amazon Feedbac