• Product brand: AJAZZ • ajazz AJ129 • Image sensor: PAW3327 • Product size: 119mmx63mmx38mm • Product weight: 65g ± 5g • Number of keys: 7 • DPI 200-12400 (7 gears can be customized) • Support operating system: Windows 98 / 2000 / me / NT; • Windows XP; Vista / 7 / 8 / 10 / Mac OS, mac