Imagine a lightweight, comfortable Bluetooth® wireless headphone providing more than 4 continuous days of music. Just 10 minutes of charge will give you 13 hours of playback giving you that final push to get you through your most demanding of days. They’re equipped with our patented 40mm Ironless Driver™ technology is specially tuned to provide bold and articulate sound with optimized control, exceptionally low distortion and deep bass for hours of musical bliss. The built-in mic gives you hands-free convenience so you can take phone calls and access your connected devices voice assistant on the go. Lightweight Comfort: Weighing in at only 280g, with plush faux-leather earpads and a flexible headband for long-wearing comfort.