JBL Endurance Run In-Ear Headphones are designed for active individuals who want to listen to music while on the go, during their workouts or outdoor activities. These headphones are designed to be sweat and water-resistant, making them perfect for sports or outdoor activities. The JBL Endurance Run In-Ear Headphones are a great choice for anyone who needs a reliable and comfortable pair of headphones that can keep up with an active lifestyle.