Audio-Technica ATH-C310 BK Inner Ear Headphone Black

[Type] Dynamic
[Driver Diameter] 13.5mm
[Frequency Response] 18-22,000Hz
[Maximum Input Power] 40mW
[Impedance] 16ohms
[Sensitivity] 102dB/mW
[Weight] 5g
[Connector] (3.5 mm) mini stereo, gold-plated
[Cable] 0.6m(Y Style)