HamiltonBuhl HA2M Personal Multimedia Headset with Gooseneck MicrophoneSpecially-designed for educational computer use, the HA2M is a lightweight, personal headset that includes two 3.5mm stereo plugs and a chew-resistant Dura-Cord. The flexible gooseneck microphone allows use with language lab, voice recognition or presentation software. Each headphone comes with a heavy-duty, moisture-resistant, reclosable, anti-lice, carrying bag for assignments to individual students. Optional Accessories (not included):5076 - Refresh kit includes a replacement reclosable storage bag and two new ear cushionsHygenX25 - Disposable sanitary ear cushion covers (Box of 50 Pair)Optional Accessories (not included): Refresh kit (5076) - Kit includes a replacement heavy-duty reclosable, anti-lice storage bag and two new ear cushions. Sanitary ear cushion covers (HygenX25) - Disposable sanitary ear cushion covers (Box of 50 Pair)HygenX Portable Headphone Sanitizer - HamiltonBuhl portable, automatic and fast sanitizer for headphones and small electronics.
Specifications: Headphone: 40mm Cobalt MagnetsFrequency Response: 18-20k HzImpedance: 32 ¦Sensitivity: 100dBMax. Input: 100mWPlugs: 3.5mm Stereo JacketedEar Cushions: Replaceable Foam Cord: 5' Chew-Resistant, PVC Jacketed Braided Nylon Headband: Adjustable, Vinyl CoveredMicrophone: Electret Condenser, OmnidirectionalSensitivity: 60dB 3dB @ 1 kHzFrequency Response: 100-15,000 HzImpedance: 2,000 ¦Operating Voltage Nominal 3V; Accepts 1.5V-10VPlug: 3.5mm Jacketed