MOST
Ambidextrous
Simple installation
Notched wheel (good practice)
Small and perfect for PC Laptops
Works without carpet
USB Dongle stored in the battery compartment for not losing
Very light
Long live if no inadvertent dropping (the last two-year)
Rechargeable battery
LEAST
Rechargeable battery delivered unloaded (or unloaded) and so I had to charge it with a charger, but if I had not been in ...? QUID?
Fragile: If it falls she died! (This is what happened to the first one that did not surrender his only fall on floor)
Conclusion: For the price nothing to say. This is a correct entry.
