ASUS WT410. Device interface: RF Wireless, Movement detection technology: Optical. Frequency range: 2.4 GHz, Wireless range: 10 m. Mouse weight: 60.74 g. Certification: CE/FCC/BSIMI. Compatible operating systems: Windows 7 Windows Vista Windows XP, Mouse dimensions (WxDxH): 95 x 33 x 180 mm