Nolangroup n-com bluetoothkit X Series User Instructions And Safety page 17

Only for X702 helmet
Fig. 30
Position the battery connector and wiring
underneath the shell gasket.
Fig. 32
Cut along the pre-cut lines of the plastic
tab on the back of the comfort padding.
Leave out the cable used to recharge the
Secure the wiring underneath the plastic tab.
Close the cut parts using the cable fixing
adhesives.
Fig. 31
battery.
Fig. 33
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