The BoomJacket Jolt Bluetooth Speaker pumps out powerful sound with a rugged waterproof design. Relaxing by the pool or hitting the slopes, the BoomJacket Jolt has an IP67 Waterproof rating to protect your speaker from the elements. Connect wirelessly from a distance with an impressive 100-foot wireless range plus link up to 50 speakers through House Party Pairing for the ultimate party sound. Delivering a jolt of battery, the BoomJacket Jolt has 30 hours of battery life with a built in Qi Wireless smartphone charger to power-up your devices in a flash.