4
POWER SOURCE
The unit has a built in DC 3.7V, Li-poly rechargeable
battery, recharge it before first time use (or when the
battery was consumed, “ ” appear on the display) as
follows:
1. Take out the unit from the watch strap as the figure
below very carefully:
NOTES:
Take out the unit from metallic buckle side first as
figure A above. Then take out whole unit as figure B.
Make sure the direction you take out the unit is
correct. Otherwise, the unit and strap may damage.
Fig BFig A
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