Fn + 1: Heartbeat Light Mode
Fn + 2: Colorful breathing light mode
Fn + 3: heartbeat colorful glare mode
Size: 481 * 189 * 42mm
Weight: 1031 ± 5g
Key Number: 104 (103 + Fn)
Key travel: 2.0mm
Key strength: 50 ± 5g
Rated voltage / current: DC 5V / 500mA
Applicable to: windows XP / VISTA / Windows 7/8 / 8.1 / 10