The JBL Everest 110 plug-in headphones come with the legendary JBL Pro Audio sound, which provides dynamic acoustic performance for 8 hours on a single charge. Recharging headphones takes only 2 hours - and you are again in the world of music. The ergonomic design fits perfectly with each contour of your ear and is ideal for unsurpassed comfort and hours of listening pleasure. Enjoy crystal clear, loud calls using the built-in microphone with echo cancellation. Available in three sizes ear cushions, high-quality metal coatings and sleek design look great and even listen better. Dare to discover musical delight.