Enjoy a wireless connection up to 10m away thanks to a plug-and-forget nano receiver; Logitech Advanced Optical Tracking for ultra precise moves on almost any surface Go longer between battery changes thanks to energy efficient engineering; Enjoy a wireless connection up to 10m away thanks to a plug-and-forget nano receiver Logitech Advanced Optical Tracking for ultra precise moves on almost any surface; Go longer between battery changes thanks to energy efficient engineering