Whether your workout is lifting weights, rushing around on a busy day, or getting chased by a bear, the Raen Extreme Sport Wireless earbuds are going to hang on tight. With additional power bank and waterproof features, you’ll never be left stranded. • Sweatproof & Dustproof Killer sound comes out, nothing gets in. • Powerbank Charging Case Rest and recharge your buds along with your other compatible devices. • Active Flex Grip These earbuds practice yoga so they can bend perfectly into shape for you. • Rapid Charging Life comes at you fast, don’t get stuck waiting on a slow charge.