Headphones from Hama with an on-ear design that makes them rest nicely on your ears. The buttons let you instantly answer a phone call or adjust the volume.
From Amazon
Hama HS-P200 PC Office Stereo Headset (with Volume Control and Adjustable Microphone Arm for Video Conferencing, Home Office, Call Centre, 2 x Jack Plugs 3.5 mm), Black
Conrad Electronic
Hama HS-P200 PC Over-ear headset Corded (1075100) Stereo Black Volume control, Microphone mute