Gigabyte GM-M6880. Device interface: USB, Movement detection technology: Laser, Movement resolution: 800 DPI. Cable length: 1.5 m. Mouse weight: 0.145 kg. Certification: CE FCC BSMI. Compatible operating systems: Windows 98/2000/ME/XP/Vista, Mouse dimensions (WxDxH): 75 x 127 x 42 mm