Plantronics calisto p420 用户手册
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Plantronics P420 USB Speakerphone
4
1.2 P420 USB features
Speakerphone
USB cable
(mini B to A)
1
Package contents and features
Volume down
Mute key
Volume up
USB port
3.5 mm stereo jack
(for external speakers
or headphones)
(for external speakers
or headphones)
1.1 P420 USB speakerphone