Most people who used notebooks for work purposes on their travels often find that using a wireless optical mouse is a pretty tiring experience as the batteries inside the mouse tends to weigh it down. Brando is now carrying the USB Finger Mouse which aims to eliminate this problem by

introducing a new method of using this particular input device. The USB Finger Mouse is worn on your index finger by strapping it on, where both the left and right mouse buttons are accessible via your thumb, as with the scroll wheel. This method of usage will definitely shorten the operation time between the keyboard and the mouse as you go about typing your documents. At 25% to 33% the weight of a conventional mouse, the USB Finger Mouse helps lighten your workload in more ways than one. Since it is USB powered, there is no need to purchase rechargeable batteries. Just remember to unstrap it when you want to take a toilet break as you wouldn't want to send your entire notebook crashing down onto the floor. The USB Finger Mouse is available for $35.
Pros : Extremely portable and lightweight, optical, can be used anywhere
Cons : Could get a little getting used to
USB Finger Mouse from Brando Source
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