Active noise cancelling (ANC) wireless headphones made of ABS Plastic with PU leather. Designed to drown out the chaos of the outside world, our headphones immerse you in a cocoon of tranquility, allowing you to focus, relax, or simply savor your favorite tunes without distraction. ANC (Active Noise Cancelling) feature provides noise reduction up to 20dB. Integrated buttons allow for adjusting volume, making and answering calls, playing, pausing and switching songs; ANC can be turned on or off. Includes Rechargeable 250 mAh Lithium Battery. Collapsible design for easy portability. Wireless version 5.1 with approx. 30-foot (10m) wireless range. Up to 10 hours playback time, up to 200 hours standby time. Includes instruction manual, USB-A to USB type-C charging cable and 3.5mm to 3.5mm au...