The Logitech R400 Wireless Presenter's inexplicable 'sabotage feature' | by Grenville Hamlyn | Medium
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Logitech R400 Wireless Presenter - Laser - Wireless - 49.21 ft - Radio Frequency - 2.40 GHz - Black - 1 Pack - USB - 2
Logitech R400 Wireless Presenter
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Logitech Wireless Presenter R400
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