Works with Alexa for voice control (Alexa device sold separately). Proprietary acoustic design delivers big performance from a compact speaker—perfect for bedrooms and kitchens Works with Wi-Fi and Bluetooth devices to play music services like Amazon Music, Spotify, Internet radio stations and your stored music library

360 degree sound with 8 symmetrically placed drivers crank out clean highs, midrange punches and deep, roaring lows. 4 tweeters, 2 mid/sub drivers, 2 passive radiators and a 97 db. sound pressure level, the CORE-X fills produces rich audio. 100% Waterproof and the perfect teammate for the beach, paddle boarding and sailing. IP67 rating insures it can go 3' under water for 30 minutes, though it will float as well for easy retrieval. Fully dustproof, mud-proof and shock proof to 3' as well. 35-HOUR BATTERY LIFE - Best-in-its-class battery life means more than a day and a half of continuous jams, uninterrupted experiences and all-out adventures.