Headphones Koss QZ900

Design: Full size
Description: Battery type: Li-Ion; Range: 10 m; Battery type: own Li-Ion; Range: 10 m; Removable battery: yes; Answer/end conversation: yes; Repeat last number: yes; Support for r� profiles
Additional Information: Cable connection: one-sided; Battery type: AAA; Case included: yes
Plug connector: mini jack 3.5 mm
Functions: Volume control
Working hours: 50 h
Impedance: 32 ohm
Sensitivity: 100 dB
Length of cable: 1.2 m
Design features: Detachable cable, straight plug, foldable design
Device type: Wired headphones
Mount type: Headband
Maximum playback frequency: 20000 Hz
Minimum repeatable frequency: 20 Hz
Technology: Dynamic
Type of acoustic design: Closed
Sensitivity options: DB/mW
Active Noise Canceling ANC: There is