Headphones Koss QZ77

Weight: 40 g
Design: Intracanal
Description: Design: in-ear, device type: wired headphones, Active Noise Canceling ANC, plug connector: mini jack 3.5 mm
Additional Information: Battery type: AAA; Case included: yes; Gold-plated connectors: yes
Plug connector: mini jack 3.5 mm
Harmonic coefficient: 0.3 %
Impedance: 16 ohm
Sensitivity: 110 dB
Length of cable: 1.2 m
Device type: Wired headphones
Mount type: Without attachment
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 10 Hz
Technology: Dynamic
Sensitivity options: DB/mW
Active Noise Canceling ANC: There is