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TECHNICAL SPECIFICATION
Battery
Operating time with full charge
Type
Charging
Charging time to full
Memory
Capacity
Examples
Communication
USB
Wireless
General
Operating temperature:
Charging temperature:
Accuracy of heart rate monitor:
Heart rate measuring range:
Up to 8 days with 24/7 activity tracking
and 1h/day training (without smart noti-
fications)
Up to 3 days with 24/7 activity tracking
and 1h/day training (with smart noti-
fications)
38 mAh Lithium-polymer, rechargeable,
non-replaceable.
USB compliant power supply or com-
puter USB port equipped with USB type
A connector.
90 minutes
4 Mb
12 days of activity and 4 one hour train-
ing sessions
or
7 days of activity and 8 one hour training
sessions.
Polar custom USB cable
The Polar Loop Crystal end of the cable
is magnetized: keep it away from credit
cards and iron objects.
Bluetooth Smart®
0 °C to +50 °C / 32 °F to 122 °F
0 °C to +45 °C / 32 °F to 113 °F
± 1 bpm. Definition applies to stable con-
ditions.
15-240 bpm
52
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