SennheiserSC 45 USB MS (507083) - Single-Sided Business Headset | For Skype for Business, Mobile Phone, Tablet, Softphone, and PC | HD Sound & Noise-Cancelling Microphone (Black)

Sennheiser SC 45 USB MS optimised Mono Headset Black

Logitech C270 HD Webcam, HD 720p/30fps, Widescreen HD Video Calling, HD Light Correction, Noise-Reducing Mic, Streaming, For Skype, FaceTime, Hangouts, WebEx, PC/Mac/Laptop/Macbook/Tablet - Black

EPOS I SENNHEISER IMPACT SC 60 USB ML - Headset - on-ear - wired - USB - black with orange colour highlights