Always keep the sound with you. Bass that you feel in your body, up to 32 hours of battery life and a well-fitting, comfortable open design as well as splash and dust protection make JBL Wave Flex earbuds the perfect choice for your daily expenses. Your hands-free stereo calls are always crystal clear, whether you're walking around town or working in the office. In addition, Smart Ambient technology keeps you aware of your surroundings when you want to. When you need extra power, you can get two additional hours of power in just 10 minutes with quick charging. The JBL Wave Flex headphones offer music experiences for the whole day with the 8-hour battery life of the headphones and 24-hour battery life of the charging case. When you need more power quickly, you can charge up to 2 hours more power with just 10 minutes of quick charging.