PHYSICAL SPECIFICATIONS  G910 Spectrum Physical Specs  Height: 505 mm  Width: 210 mm  Depth: 35.5 mm  Weight: 1.5 kg  Cable: 1.8 m  G910 Spark Physical Specs  Height: 505 mm  Width: 210 mm  Depth: 35.5 mm  Weight: 1.5 kg  Cable: 1.8 m  ROMER-G TACTILE KEY SWITCHES  Durability: 70 million keypresses  Actuation distance: 1.5 mm  Actuation force: 45 g  Total travel distance: 3.0 mm  REQUIREMENTS  Windows 7 or later  macOS X 10.10 or later  Chrome OS  Android 3.2 or later  (Optional) Internet access for Logitech G HUB. Advanced settings require G HUB 8.96 or higher. Refer to LogitechG.com/downloads (Logitech G HUB) for details.