aviation noise cancelling headphone CS-ANC102W

Description

Specification:
Input terminal: 3.5mm stereo plug (gold plating/nickel plating selectable)
Work voltage: 3.7v
Max. Input power: **0mW
Max. Output power:*0mW
Noise cancellation depth: *3dB
Noise cancellation frequency: ******0Hz
S/N:≥*5Db
Power supply:3.7v/**0mAhlithium chargeable battery
Batterywork time: >*0h
Noise reduction mode: feedback
Speaker diameter:Φ*0mm
Speaker impedance: *2Ω
Speaker frequency range:*0Hz**0KHz
Sensitivity: **5dB
Speaker type:Neodymium magnet high end speaker
Diaphragm material: PET corona
Earmuff:High imitation leather protein, internal fill with imported Inert sponge
Diaphragm thickness: *9 mil
Wire:  1.2mshielded cable
Wire length: 1.2m  
Package:
single net weight: **0g
single gross weight: **0g
single size: *0.5X*2.5X6cm 
*0pcs 1 carton
carton size: *2.5X*6.5X*2cm 
gross weight: 8.5kg