Premote is your presentation companion enabling you to control the flow of your presentation on the go.
Convert your android smartphone into a clicker without any extra piece of hardware.
A pointer is a small handheld device generally used to control slides or presentations.
User first inserts a pen drive on his/her P.C. Then he can change the slide by clicking the buttons on the remote.
The device has a low powered laser as well, this helps in pointing out things on the screen.
Logitech Clicker (source)