-Unique in-ear design

-Speaker unit faces to outside, instead of ear-drum

-Hight quality stereo sound is reversed by metal cover

-Necklace or traight line design

-Can be design for mobile phone handsfree kits or be MP3 player earphones.

-Speaker diameter; 15 MM

-9 miu/32  Ohm

-Frequency response: 10-20KHZ

-3.5 mm jack or 2.5 mm jack

-In-ear design