Cord lengths indicates the approximate length of the cord from the headset or earpiece to the plug, measured in inches.
Reflects the weight, in ounces, of the headphones including the audio cable and batteries, if any.
The type of connection at the end of the audio cord, which will be plugged into the source component. Most have 1/8-inch standard (3-contact) "mini" jacks that fit portable devices. Models intended for use with newer iPod, iPhone, and some Blackberry smartphones, that have integrated microphones, audio player controls, and call connect/disconnect controls use a 1/8-inch 4-conductor mini jack. The audio function of models with 4-conductor mini jacks may not work properly or consistently with non-iPod/iPhone devices.