DESCRIPTION
Edifier K815 Educational Student Headphone Sound Pressure Adjustable Independent External Sound Cards 120� Adjustable Noise-Cancellation
Features:
Professionally developed for online education with a 120-degree Adjustable microphone
Precisely adjusted sound pressure levels to protect the hearing of children
The large black voice coil diaphragm unit delivering outstanding sounds
Independent external sound cards for crystal clear communications
Shielded wires with the large magnetic rings for less interfered online calls
120� adjustable high-sensitivity noise-cancellation microphones for easier communication
Adjustable headbands for comfortable wearing
Born for high-class technology and extraordinary sound
Specifications:
Frequency Response : 20Hz-20KHz
Microphone direction : Single point
Connecter : USB-A plug
Cable Length : 2.8m
Impedance : 40?
Sensitivity : -42dB+/-3dB
Sound Pressure Level : 91+/-3dB
Inner Carton 190mm x 88mm x 235mm(LxWxH) 0.08kg(gross weight)