Knowledge Zenith ES4

Design: Liners
Description: Design: earbuds, device type: wired headphones, design features: detachable cable, plug connector: mini jack 3.5 mm
Additional Information: Cord made of oxygen-free copper: yes; Gold-plated connectors: yes
Plug connector: mini jack 3.5 mm
Impedance: 25 ohm
Sensitivity: 104 dB
Length of cable: 1.23 m
Design features: Detachable cable
Device type: Wired headphones
Mount type: Without attachment
Maximum playback frequency: 40000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Reinforcing + dynamic