Model NO. SF-EH41-K1

• Heavy duty Noise cancelling headset
• With 3 Push-to-talk Buttons with VOX function
• Adjustable call volume according to your demand.
• Volume knob (1 PTT volume knob).
• It equips with a 3.5mm mono headphone jack under the helmet PTT.
• 3 Push-to-talk Buttons (1 big PTT, 1 small finger PTT and 1 helmet PTT).
• The mic is VOX ready. It can work in VOX mode with radios which has built-in VOX function. If your radio does not have built-in VOX function, it can still work in PTT mode.
• 2 large soundproofing earpieces close to your ears, which is not sensitive to the background noise. This is ideal for usage in high ambient environment such as driving, riding motorcycles and bicycles.
• High-quality material and function,
• It is popular application in the manufacturing engineers, technicians processing industry, construction teams, airport staff, racing teams working in noisy environments

• Specifciations
• Microphone
  Dimension  50X65.0(mm)
  Sensitivity-42±3dB    *
  Directivity: Noisy cancelling
  Frequency100Hz - 30KHZ
  Impedance 2.2KΩ
  Operation voltage 1.5V - 4.5V