Type:in-ear dynamic
Speaker:ª¦10mm
lmpedance:32ohm
Sensitivity:108dB S.P.L at 1KHZ
Frequency Response:10-22,000Hz
Rated POWER:3mW
Max.input power:30mW
Cord Length:1.5mm
Loudhailer:3.5mm
http://a170936.s55.gzonet.com/en/Show_Product.asp?Pid=541