Califone 4100 USB Stereo HeadsetThe USB Headset is the first headset designed specifically for school use with USB connectivity. Its unidirectional mic and noise-reducing earcups are ideal for high speed internet use, tutorials, language learning and situations requiring isolated vocalized feedback.Features:

• Eliminates the need for a sound card, is Windows/Mac compatible with in-line mute/volume control
• Backwards compatible USB 2.0 is faster for more efficient listening
• ABS plastic earcups and headband for durability
• Adjustable comfort sling fits all sizes
• Flexible boom microphone for language applications
• Reinforced strain relief connector won't pull out
• Around-ear ambient noise-reducing earcups deliver maximum protection against exterior sounds (without added electronic circuitry and expense). This reduces the need to increase the volume (protecting the ears) and helps keep students on task.