1. Compliance with IP55 standard.
2. High/low volume control.
3. With Φ3.5mm external earpiece jack.
4. With 360°swivel metal clip.
5. High quality speaker and noise-canceling microphone help provide clear audio even under noisy environment.
Rated Impedance: 16Ω±15% （@ 1.5kHz 1V）;
Sound Pressure Level: 91±3db (1w/30cm)（@ 300Hz-3KHz AVE）;
Rated Power: 1.5W Max. Power: 2.5W ;
Sensitivity: -42±3dB @ 1KHz（0dB=1v/Pa）;
Weight: about 141g;
Operating Temperature: -30℃~65℃
Application: for noisy locations (such as ports and construction sites) and emergency situations (such as rescuing).
Compatible Radios:TC-700, TC-610,TC-618,TC-626