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I bought this device for presentations. What a deception! When we install the USB receiver, everything works as expected. But later (maybe a couple of minutes, maybe an hour), it just stops to work, with no identifiable reason. So, we must pull out the receiver and install it again, perhaps 3 or 4 times per hour. This sucks! And, of course, for a professional presentation, is a disaster. The green laser bean, however, is powerful. I just gave up using it as a remote control. Now the only use os ot is as a laser pointer (but I coud have one for far less money).
RF Wireless Green Laser | castellarenpositiu

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