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Technical data
Headset Fox FX 840 DECT USB
Operating conditions:
Call control:
Volume control and mute microphone: Control on the headset
Display signal:
Audio signals:
Sound quality:
Charging:
Standard for wireless communication: (CAT-iq) EU DECT and US DECT
DECT range:
DECT frequencies:
Wearing styles:
Microphone arm design:
Loudspeaker:
Microphone:
Headset battery
Battery type:
Battery capacity:
Talk time:
Battery service life:
Standby time:
Operating temperature:
Charging time:
Shelf life of the battery:
Base Station Fox FX 840 DECT USB
Operating conditions:
Charging dock:
Desk phone sockets:
Disposing of the product
Please dispose of the headset in accordance with local regulations and use the available recycling facilities. Do not
dispose of the headset together with domestic waste. Keep the headset away from fire since the battery could other-
wise explode. The battery can also explode if damaged.
20
0˚C to +40˚C; max. 95% relative humidity (non-condensing)
Multifunction key for: accept, end and reject call; docking operations can also
accept and end calls
LED shows call status, pairing status and other events.
Audio signals indicate incoming calls, low battery charge, volume, muting and
other events.
DSP noise cancelling, echo cancellation, tone control, narrow-band audio
When docked onto the Fox FX 840 DECT USB base station.
EU DECT: up to 100 m from the Fox FX 840 DECT USB base station to
the headset.
US DECT: up to 100 m from the Fox FX 840 DECT USB base station to
the headset.
US DECT: 1.92 – 1.93 GHz. EU DECT: 1.88 – 1.90 GHz
Headband and ear clip
medium-length microphone with ambient noise suppression
broadband loudspeaker
Microphone with noise cancelling
lithium-ion polymer
300 mA/h, typical
Up to 8 hours
At least 1000 charging cycles
At least 50 hours
-20˚C to +60˚C.
20% charge in less than 20 minutes, 50% in less than 45 minutes, full charge
in less than 3 hours
The headset battery retains its charge for at least 6 months when it is
switched off before the battery has to be recharged.
0˚C to +40˚C; max. 95% relative humidity (non-condensing)
Suitable for the Fox FX 840 DECT USB series of headsets
Mini USB, power connection