100% wireless headphones with a wireless charging case, Bang & Olufsen Signature Sound, and an intuitive touch interface for controlling music and calls as well as voice control. The E8 2.0 features a perfect fit for the ear and comes with a high-quality leather wireless charging case, allowing for on-the-go charging. With a playback time of over 16 hours (4 hours via the headphones + 3 charges in the case), you can take the E8 with you anywhere and switch to transparency mode to let in ambient sounds with just a simple gesture.