The Beoplay E8 Sport Earbuds from Bang & Olufsen have been designed to deliver high-performance audio in practically any environement. Durable, lightweight and waterproof, the E8 Sport Earbuds retain powerful sound through even the most demanding weather conditions. Whether on the road, at the gym or hiking the trails, the sweat-resistant Beoplay Headphones fit comfortably and deliver industry-leading battery life for up to seven hours of continuous playtime on one charge, or up to 30 hours with the charging case. Additional features that allow you to personalize your listening experience include Transparency Mode when you need to hear the world around you and four built-in microphones to ensure stellar clarity wherever you take calls.