Version:
The four fins guarantee an effective and pleasant seal within the auditory canal. Patented technology blocks low frequencies and medium frequencies, and permits natural perception of speech and warning signals (high frequencies). Band adjusters permit adaptation of the length to individual habits and different wearing positions. SNR = 22 dB (H = 24 dB, M = 19 dB, L = 17 dB).
Supplied with:
Case with hook for attachment to the belt.