详细规格及用途描述
Reduces harmful noises. Completely dielectric. Blue ABS plastic
ear cups thickly cushioned for maximum efficiency and comfort.
Headband with ball joints for excellent contour fit. Light weight
0.175 kg construction with 360° swivel enables it to be worn
behind or over the head, or under the chin. Packed 50 units to
shipping carton, 3.5 cft.