V-99 is a professional design no grating sound, microphone and main unit separation, microphone collected grating sound not caused to user interference, when wearing main unit can put in the pocket will not effecting the sound absorption, Aluminium alloy, durable design.
-Factory direct sale, competitive price
-High quality, Aluminium Alloy cover
-Without grating sound
-Frequency Range:450~3500 Hz
-Max Sound Output:1305dB
-Max Sound Gain:65dB5dB
-Main Unit Size 6.1x4.1x1.6 cm,NW:46g