Additional Details ------------------------------ Bullet point: Plug and Play: Connect to PC and Mac via included USB-A cable, Teams Certified. The Wireless headset optimizes for Teams. If you use the office headset for your teams conference calls, you’ll have status and remote call answering, one touch teams button to join meetings. Connect to Desk VoIP phones via USB-A, Compatible with Yealink Desk Phones Series: USB Phone: T4XS/T4XU/T53/T5XW/T58A/VP59; Skype for Business Phone: T48S/T56A/T55A/T58A; Teams Phone: MP54/MP56/MP58 Connect Through EHS35 Adapter: T30P, T31P/G, T33P/G;*EHS35 adapter available as an optional accessory. Poly desk phones VVX 411, VVX 401/501, VVX 250/350/450; SNOM desk phones D765 D385 D735.