Overall satisfied, here are my impressions: Pros: - Good gliding - Many well-placed buttons and practices (system free wheel / toothed addictive) - Configurable - Effective sensor even at 1 m from the receiver under a table - Ergonomic - Weight evenly distributed Cons: - Skates that spoil quickly, protect - Sensor not in use for the rest of Logitech products without son. This brings multiple USB ports as long as we want to choose the mouse, keyboard, speakers ... its separately
