Anker SoundCore Sport XL Outdoor Portable Bluetooth Speaker - 16W Output and 2 Subwoofers, IP67 Waterproof Weatherproof Shockproof, 66ft Bluetooth Range, 15H Playtime, Built-in Mic, USB Charging Port 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. Tough Tech: Tough Bluetooth speakers. IP67 waterproof (1m depth) and dust-tight. Shock resistant. 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. 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. What You Get: Anker SoundCore Sport XL, Micro USB cable, hand strap, welcome guide, our worry-free 18-month warranty and friendly customer service.