Overview
Lightweight, in-ear phones in single- (mono) and dual-sided (stereo) designs
Features

Extremely lightweight ear-clip for comfortable fit
Stereo model provides excellent speech intelligibility
Single-sided mono model provides an awareness of external sounds
Changeable foam ear pads for optimum hygiene

Specifications

Connector
3.5 mm mono straight

Cable length
100 cm 

Weight
9 g 

Impedance
16 Ohm

Frequency response
20 - 20,000 Hz