Dell Premier Wireless Anc Headset WL7022, Product Type: Headset - Bluetooth - wireless - USB-A via Bluetooth adapter, Connectivity Technology: Wireless, Bluetooth Version: Bluetooth 4.1, Active Noise Canceling: Yes, Additional Functions: DSP, Sound Output Mode: Hi-Fi stereo, Controls: Mute, Wireless Technology: Bluetooth, Compatibility: iPhone, Android phone, Mac, Windows, Software Certification: Zoom Certified, Certified for Microsoft Teams, Comfortable and Secure: Leatherette earpads and an adjustable leatherette headband provides hours of comfort with a secure fit, Easy charging: Charge your headset by placing it on the charging stand or by connecting it to your PC via the USB cable, Seamless Integration: Switch across a multitude of devices including laptops, tablets and smartphones easily and conveniently, Pack up quick: Foldable earpads let you easily pack up and an included pouch protects your headset on the go, Hearing protection: This feature automatically detects sudden loud noises and prevents audio spikes to protect your hearing, 3y warranty