Professional Cordless Phone Headsets EMS-458

• Flexible high quality noise canceling microphone to reduce background noise 
• Acoustic Shock Protection circuit
• Lightweight, durable and comfortable for all day use 
• Hearing on one side and can be worn on either ear 
• Adjustable headband 
• Replaceable soft foam or soft leatherette ear pad 


Driver Unit                        1×Ф30mm 
Frequency Response    20-20kHz 
Impedance                     150ohm 
Sensitivity                         115dB 
Max input power              10mW 
Plug                                2.5mm 
Cord Length                    1.5m