Headphones and headsets: Plantronics Audio 645 USB

Brand history

Plantronics Audio 645 USB

headset, invoices, registration closed, 20-20000 Hz, 3 m cable, plug 3.5 mm, volume control

Products from other katigory

Main (Plantronics Audio 645 USB)
Type	headset
Design	miscellaneous
Acoustic design	closed
Wireless interface
Design features (Plantronics Audio 645 USB)
The number of headphone headset	2 earphone
Cable length	3 m
Plug	3.5mm
Volume control
Specifications (Plantronics Audio 645 USB)
The lower boundary frequent. range	20 Hz
The lower boundary frequent. range	100 Hz
The upper border is frequent. range	20 000 Hz
The upper border is frequent. range	8 000 Hz
Technical characteristics of the microphone (Plantronics Audio 645 USB)
The active noise cancellation

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