CIRCLE GAMING KEYBOARD RUDE

• Compatible OS: Windows 98 SE / 2000 / ME / XP / VISTA / Win 7 / 8 / Mac
• Keystroke Lifetime: > 20 million times
• Interface: Gold Plated USB plug
• Working Distance: < 55 mA
• Working Voltage: 5V *
• Keystroke Force: > 1.8 Kg
• 3 Years warranty by Circle.