WATERPROOF AND DUSTPROOF - meets IP67 international standards, no worries with rain, sand, or snow; Drop it in your pool, lake, or ocean - no worries, it floats DRY BOX - a large, spacious, watertight dry storage for your phone, keys, and more; External music and phone buttons enable full control while your devices are safely stored inside BATTERY LASTS FOR HOURS - up to 15 hours of playtime at average listening levels, 5 hours at max volume; Battery fully re-charges in approximately 3 hours; Speaker plays while the speaker is recharging ECOCAST BUILT-IN - wirelessly connect with up to 100 EcoCast enabled speakers (EcoCast is not compatible with the previous generation EcoConnect technology) PUSH-TO-TALK - when linked with the Zello App on your smartphone BLUETOOTH 5.0 - streams audio wirelessly from your device while inside or use it as a standalone speaker and stream audio from a Bluetooth enabled device up to 100 feet away WHAT IS IN THE BOX - 1x EcoExtreme 2, User Guide, 1x USB-C cable, and 1x carabiner