Description Specifications Mfr Part Number: ATTACKX3RGB1IG Features: Cherry MX Mechanical Switch N-KEY directly in USB mode, without the USB to PS/2 adapter. Unlimited simultaneous key presses On-board Memory – The on-board memory allows you to store up to 3 full configuration profiles on the keyboard itself Up to 30 Macros – ATTACK X3 RGB’s on-board memory will allow you to record up to 30 macros and bring them anywhere you go Media Shortcut Keys – Quick control over your music and videos On-the-fly Mode Switch – Convenient key combinations allow you to switch easily between the three configuration modes on the keyboard 1000 Hz polling rate/1 ms response time Anti-Slip Rubber Feet – The keyboard base remains stable even during intense gaming sessions Software – COUGAR UIX System Interface: USB plug Material: Aluminum/ Plastic Key Switch:  Mechanical Cherry MX Red N-key Rollover: Yes (USB mode support) Full Key Backlight: Yes(RGB,16.8 million colors) Polling Rate: 1000Hz / 1ms Cable Length: 1.8m Braided Detachable Cable: Yes Game Type: FPS / MMORPG / MOBA / RTS System Requirements: Windows 10/ 8/ 7 Color: Silver/Iron-Grey Dimensions(WxLxH): 18.39 x 9.05 x 1.57 inch / 467.0 x 230.0 x 40.0 mm Weight: 1.98 lbs / 0.9 kg