Pioneer SE-CE511i

Product Details:

Fully Enclosed Dynamic Inner-Ear Headphones
Frequency Response 20-21000 Hz
Impedance 32Ω
Maximum Input Power 100 mW
Sensitivity 104 dB/mW
Driver Unit Diameter 15.4 mm
Cable Length 1.2m
3.5 mm 3P mini-plug, L-type (gold plated)
Accessories - Earpad x 2
Weight without cord 6 g