CYBER ACOUSTICS Cyber Acoustics AC-94 Earset. STEREO NOTEBOOK IN-EAR HEADSET IN-LINE MIC AND MUTE SWITCH Y ADAPT. Stereo - Mini-phone - Wired - 16 Ohm - 20 Hz - 20 kHz - Gold Plated - Earbud - Binaural - Open - 5 ft Cable New CYBER ACOUSTICS AC-94 CYBER ACOUSTICS AC-94 STEREO NOTEBOOK IN-EAR HEADSET IN-LINE MIC AND MUTE SWITCH Y ADAPT