Highlights Boulder Max Pro meets international IP67 Waterproof and Shockproof Standards 3-way speaker system with an 8" full-range main driver with a 3" tweeter and an 8" passive subwoofer Bottle opener 121 decibel output Specifications Battery Life: 10 Hours (2) Battery Type: SLA Rechargable: Yes Watts: 100 W Wi-Fi: No Wifi Bluetooth: Bluetooth 5.1 Multi-connect: Up to 100 Ecoxgear Speakers Assembled Size Dimensions: 15.5Lx11.4Wx19.8H Assembled Weight: 35.5 lbs. Description Ultimate party sound meets ultimate ruggedness with the ECOXGEAR Boulder Max Pro Waterproof Bluetooth Speaker. Rated IP67 waterproof and shockproof, meets IP67 international standards, so no worries with rain, dirt or snow. Drop it in your pool, lake or ocean - no worries, it floats. A 100W dynamic power amplifier delivers massive sound while preset equalizaer profiles let you tailor the audio just how you like for the type of music or the venue. A 3-way speaker system teams up an 8" full-range main driver with a 3" tweeter and an 8" passive subwoofer for crisp, balanced, quality acoustics you won't find on ordinary portable speakers. A 3.5mm aux input lets you connect your media device to play your favorites, while a built-in digital AM/FM radio lets you crank the local stations. The integrated ECOTALK microphone The integrated ECOTALK microphone includes Siri and Google support and speakerphone capability so you can conduct calls or communicate with a voice assistant. Bluetooth 5.1 wireless connectivity lets you pair your compatible device for wireless audio streaming while EcoCast Pair lets you link up to 100 Boulder Max Pro speakers together from up to 30' away to sync the tunes in every direction. A 5V 2.1A USB port charges your USB device. Backlit buttons and a large LED make nighttime viewing easy, and the oversized rugged wheels and telescoping handle let you take your Boulder Max Pro speaker anywhere, even over rough terrain, with ease. Play on standard AC wall power for continuous play, or enjoy hours of playtime at normal volume levels on the built-in rechargeable battery.