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Plantronics H91
Frequency range (max)
20000 Hz
Frequency range (min)
20 Hz
Impedance
Microphone
Yes
Power handling capacity
Sensitivity
65 dB/mW
Wired (Headphone> Audio source)
Yes
Type of connector
Wireless
No
Attachment type
Headband
Available colours
Black
Driver size
Product weight
Features
IP code (level of dust/water resistance)
Acoustic design
Half opened
Buttons
Volume
Driver technology
Type
Mono 1.0
Release year
2004