JCK HS36 is an intelligent active hearing protector and headset. 

Continuous operation time from batteries (2 pieces of AA batteries) - 6-8 hours.

• HEADPHONE TYPE - Over The Head.
• SOUND CONDUCTIONS - Speaker.
• SPECIFICATIONS :

Speaker : 
Sound Pressure Level: 90 dB
Impedance: 16 ohms
Speaker Size: Φ36x6 mm

Micorphone :
Microphone Sensitivity: -40±3 dB
Directivity: Omnidirectional
Impedance: 2'200k ohms

• OTHER

1.    AAx2 Battery Chamber to support features of the HS36 earmuff.
2.    Ambient Microphone to cancel unwanted sound
3.    Adjustable boom microphone with optional noise canceling.
4.    Strong neck band comfortable even after hours of use.
5.    Big control panel with Push-to-talk button, volume control & programmable function button.
6.    Radio volume control.