Upgradable Tech with Premium Sound. With the Grind True Wireless Earbuds you can live hands free. With the Skull-IQ Technology, you are able to check on the weather, ask Alexa something or even have it bring you to your music streaming service. IP55 Sweat and Water Resistance, so you won't have to worry if your workout or the weather will ruin your headphones. Comes with a 1 Year Warranty!