Jabra PRO 920 User Manual - Manual (Page 30)

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english
9.2 HEADSET BATTERY
Battery type:
Lithium Ion-polymer.
Battery capacity:
295 ma/h, typical.
Battery talk time:
Up to 8 hours.
Battery lifetime:
Minimum 1000 charge cycles.
Battery standby time:
at least 36 hours.
Operating temperature range:
-20˚C to +60˚C.
the headset features a temperature-dependant charging algorithm that
prevents the battery from being charged during extreme temperatures (below
0˚ and above 45˚C).
Battery charge time:
20% charge in less than 20 minutes.
50% charge in less than 45 minutes.
Full charge in less than 3 hours.
Battery shelf life:
headset battery holds charge for 6 months in the off state, before recharge is
required.
9.3 mATERIALS AND ALLERGIES
the headband attachment is made of stainless steel and does not have a
nickel-coated surface. nickel release from the headband is 0.02 μg/cm2/week,
which is below the 0.50 μg/cm2/week limit established by eU Directive 94/27/
eF. the stainless steel alloy was tested for nickel release in accordance with the
european standard en 1811:1998.
Other wearing-style attachments are made of plastic and contain no known
allergens. the ear cushions do not contain vinyl. the products contain no nickel,
chrome or natural rubber that can come into contact with users’ skin.