● ear even during extended wear less burden-
IRiver open type earphone!

Speaker unit Units:
* Mode: open
* Driver Size: 9.2 mm
Cable:
* Length: 1.3 m
* Mode: the symmetry (Y type)
* Flat Cable: Tangle Prevention
Plug:
* Type: Straight
* Diameter: 3.5 mm
Basic specifications:
* Sensitivity: 93 dB / mW