Detailed Product Description

Optional colors:     black

Standard accessories: three pairs tips

Electric and acoustics specificationStandard inspection condition

MIC

Style:                 capacitive     

Point:                 Full point

Impedance :            680Ω ± 30%      

Effective Frequency Band: 80 15000Hz

Output S.P.L. :          -44dB ± 4Db at 1kHz (0Db = 1V/1Pa)

Line length:            1.35m

Plug:                 Φ3.5-4p plated Au

Button:                 160gf   

on/off:                 Multi-function button answers/ends/toggles calls

Electric and acoustics specificationStandard inspection condition

Earphone

style:                             Dynamic

Adorn mode:                       In ear

Impedance:                        16Ω ± 30%

Unit specifications:                 Φ9mm     

Effective Frequency :                18 22000Hz

QutputS.P.L :                       106dB+2/-3.5dB at 1kHz

SPL Differency between Lch &Rch :    ± 3dB   

Input Power:                       Reted: 6mW ; Max: 20mW

Buzzes & Rattle test:                2.5v (sine wave)

Delicacy differency between Lch&Rch:       ± 3dB

Testing

Low:

Song: <<Gu Shi>>

fairly deep and elastic in drum sounds

Mid:

Song: <<Du Kou>>

human voice ---clear and clean

High:

Song: << jin ye wu ren ru shui >>

distinct and bright, smooth but not harsh

SUM UP: In-ear design is good at noise cancelling, providing a nice listening environment. Pretty deep in lows; good elasticity and analyzing ability; rich, clear and clean sound field; favorable layers of three frequencies; high-quality in talking on phone.