ZOLO Heat StrokerThe ZOLO Heatstroke is a male masturbator with a warming function that uses patented pulsating technology to provide a truly unique experience. The LED display keeps you updated on exactly what is happening, with warming mode, battery level and vibration pattern indicators, and a stroke counter great for endurance training and play. The included travel bag makes sure you can take your Heatstroke anywhere! One Year Warranty.