Andrea Electronics EDU-255 Stereo PC Headset. Stereo Headset (On-the-Ear) with in-line Volume Control. Perfect for use as an education headset, computer headset, or mobile device (with optional C-100 adapter). The EDU-255 headset has a noise cancelling microphone and internal wind shields on a heavy duty rigid wire boom allowing for perfect placement of the microphone. When sound intelligibility is a priority, the EDU-255 stereo headset provides full size headphones that have round ear pads that sit on the ear and are designed to help attenuate any intrusive external background noise. The plush leather-type ear cushions provide maximum comfort and are easy to wipe clean. The headband is designed to provide a stable and comfortable fit, even for smaller heads.