Howard Leight R-02521 Impact Sport Electronic Earmuff Teal Colour Urban Packs We left the vibration because

We left the vibration because it's vital to know somehow whether you are recording or not

LIGHT MODES:  High / Strobe / Medium / Low

runs 13 hours (NiCd/NiMH)

TEN-TAP® Programming: Choice of three operating modes: 1) high/strobe/low (factory default)

and screws are all black

Howard Leight R-02521 Impact Sport Electronic Earmuff Teal Colour Urban Packs We left the vibration becauseThe Howard Leight R 02521 Impact Sport Electronic Earmuff is an electronic earmuff with a sleek, low profile ear cup design and an adjustable headband for a secure, non slip fit. It automatically shuts off noise above 82 decibels. A single power and volume control knob allowing you to hear conversations near or far from you. To capture low level sound, the Howard Leight Impact Sport Electronic Earmuff employs built in microphones that amplify range