2021MT is a lightweight headset that is comfortable for students of all ages. The gooseneck microphone swivel 280° for right or left handed users. Designed with cobalt transducers to perform with surround sound quality. 1. Comfortable padded headband for extended wear 2. Fully adjustable headband to fit most sizes 3. Unidirectional, noise-reducing microphone 4. Gooseneck microphone arm rotates 280° 5. Over-ear, polypropylene plastic earcups resist breakage in high-use environments 6. Permanently attached cord entry point 7. 6 foot CaliTu® cord 8. 3.5mm, 120° angled plug 9. Inline volume control 10. Hook & loop strap for cable management 11. Foam-filled, leatherette ear cushions Transducers 40mm Mylar, Cobalt Impedance 25 ohms +/-15% on each side Frequency 20 - 20kHz Sound Pressure Level 107dB +/- 3bB at 1kHz R/L Output Dierence 3dB Rating Input 40mw Distortion 5% Sound Stereo Headband Adjustable, padded Earcups Over-ear, noise-reducing Ear Cushions Foam-filled, leatherette Volume Control Inline Plug 3.5mm, 120° angled Cord CaliTu® 6 foot, straight Permanently attached Microphone Unidirectional, noise-reducing gooseneck with 280° swivel Impedance 2.2K Ω (At 1kHz) Frequency 10Hz-10kHz Sensitivity Min. -48dB, Max. -42dB Operating Voltage Std 1V, Max 5V Color Black/Red/Silver