Wired, dual-sided headset with a 3.5mm jack and USB connection. Connection to the device: jack, USB. Wearing style: On-Ear, headband style: over-the-head, wearing mode: Duo. Suitable for: general use, office, home office, mobile employees. Microsoft certification: for Microsoft Teams, for Skype for Business Online. Call control via In-Line Call Control. Connects to PC via USB, smartphone, and tablet via 3.5mm jack. Adjustable microphone arm for optimal microphone positioning throughout the day. Designed for contact center agents who value comfort and perfect sound while handling calls on mobile devices and via PC/softphone. Skype for Business certification. On-the-go UC comfort. At work, your audio solution must deliver excellent sound quality and tailored comfort. The IMPACT 100 Series meets these requirements 100% and offers you the advantages of a UC environment—whether at your desk or when you need to stay mobile in the office.