POLY CS540/A. Product type Headset, Wearing style Ear-hook, Recommended usage Office/Call center. Connectivity technology Wireless, Frequency band 6.8 GHz, Wireless range 100 m. Headphone sensitivity 118 dB. Microphone type Boom, Microphone sensitivity 85 dB. Talk time 7 h
Ports & interfaces
Connectivity technology
Wireless
Frequency band
6.8 GHz
Wireless range
100 m
Performance
Product type
Headset
Wearing style
Ear-hook
Recommended usage
Office/Call center
Headset type
Monaural
Product colour
Black
DECT connectable
Y
Microphone
Microphone type
Boom
Microphone sensitivity
85 dB
Noise-canceling
Y
Packaging content
Charger
Y
Weight & dimensions
Weight
21 g
Headphones
Headphone sensitivity
118 dB
Battery
Talk time
7 h