Lightweight "In-Ear" Earphone for iPods - Black

In-Ear Earphones with 2 Extra Sets of Ear Tips (Small and Large Sizes)
10mm Diameter Speaker Driver
Neodymium-Iron-Boron (NDFEB) Magnet
Maximum Power: 10mW
Impedance: 32 Ohms 15% @ 1kHz
Single Variable Resistor: 1k Ohms 20%
Frequency Response: 20Hz - 20kHz
Sensitivity: 103dB 3dB @ 1kHz
3.5mm Nickel-Plated I-Type Stereo Connectors
Cable Length: Approx. 4' and Unit Weight: Approx. 0.04 Lbs