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Safe, yes, but it WILL draw down SOME of the battery power. If you're going to not use it for a few days, you should probably turn it off if you want to maximize the NON-RECHARGEABLE battery
Sorry, there was a problem. Please try again later.I almost consistently leave the mouse on (just by virtue of forgetting to flick the switch off) for months on end and have had no problems whatsoever. The battery life lasted a little longer when I remembered to switch off, but otherwise everything was fine.
Sorry, there was a problem. Please try again later.If you want the battery to last turn switch to off on bottom of mouse. I have had no problem with leaving mouse on except for battery losing charge.
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