Designed with the Qualcomm aptX HD Sound Codec for a truly immersive experience. Enjoy listening to the finer details of your music or movies in high-definition sound with powerful bass & experience the subtle nuances of better than CD quality. Passive Noise Cancelling virtually eliminates background noise & allows you to focus on what's important. These wireless headphones were built on the Bluetooth 5.0 platform, allowing the Krave HD Bluetooth Headphones to communicate as Bluetooth low-energy devices, providing a stronger signal for better stability & improved battery life up to 40 hours. Engineered with USB Type-C charging port & fast charging battery to support two times faster charging. In the rare case that your wireless headphones run out of power, a 15-minute quick charge will provide up to five hours of use. The ear cushions were designed with a protein leather, sourced from Korea, to simulate the natural feel of leather on your skin. Plush memory foam inner cores were added, to surround your ears in comfort while providing noise isolation from ambient room noise. These wireless headphones work in both wireless & wired mode with the included USB Type-C to 3.5 mm cable. In the rare event that you run out of power, they can be plugged in & will work in wired mode. An included Airplane adapter, allows you to relax & listen in true stereo. Our Krave HD Wireless Over Ear Headphones were designed to work with Zoom, Microsoft Teams, Google Meet, WhatsApp, WebEx, WeChat, Skype & a myriad of conference call applications, so you can connect with your customers or associates & communicate clearly. Earpiece Type: Ear Cushions; Earpiece Material: Memory Foam; Microphone: Yes; Headset Features: 40 Hour Play Time; Kalimba Digital Signal Processing; Qualcomm aptX HD Sound; USB Type C Charging.