Noise reduction level:5db-13db at 30-600hz
Frequency: 20hz - 20khz
Impedance: 320¬+f+20% at 1khz
Sensitivity: 122dbf+3db at iec-318
1khz 1mw(0db=0.00002pa)
Power supply: 1.5v
Speaker: 36mm
Rated power:20mw
Max. Input power: 30mw
Cable length: 1.5m
Microphone: ¬+6*1.5(-60db)
Plug: 3.5 stereo plate golden
Supply voltage: dc1.5v
1*aaa battery
Working time: 20 hours
Please ask detailed and specific
questions about Pricing, Minimum Order Quantity, Delivery Timelines etc. Detailed Messages
result in prompt responses.
