Elecom Design Headhpone Store 03. Ear coupling: intraaural, Headphone frequency: 20 - 20000 Hz, Headphone sensitivity: 92 dB. Connectivity technology: Wired, Cable length: 1.2 m. Dimensions (WxDxH): 13.5 x 22 x 21.5 mm, Weight: 6 g. Package dimensions (WxDxH): 60 x 40 x 165 mm, Package weight: 70 g. Maximum input power: 0.01 W