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通过ISO 9001: 2000认证 
Specification:
Color: white, black, lime green, pink, light blue
Size: about W140 × H175 × D70/mm
The audio port: 44mm diameter
Sound pressure sensitivity: 104 ± 3db
Regeneration Frequency: 20 ~ 20.000Hz
Maximum input capacity: 40MW
Weight: about 156 grams
Headphone cable length: 1.2m Y type
