Specification ¥7 Macro-ableª Optical Gaming Mouse with 128KB on-board memory ¥CPI switching on-the-fly [Default]: 500/1000/1500/2000CPI ¥Software CPI setting: as low as 500CPI up to 4000CPI ¥Adjustable polling rate(/second): 125Hz/250Hz/500Hz/1000Hz ¥Frame rate: 6600fps ¥Acceleration: 20G ¥Advanced Optical sensor: A3050 ¥Adjustable mouse light effects and up to 4 colour options ¥[Default: Red colour 500CPI] Comet Red ¥[Default: Blue colour 1000CPI] Cosmic Blue ¥[Default: Green colour 1500CPI] Alien Green ¥[Default: Purple colour 2000CPI] Flaming Fuchsia ¥Total 7 Buttons with 2-Way Click scroll [save up to 7 macros in 5 available profile] ¥High performance tracking speed: up to 160 inches per second. Multi-languages specifications ¥Resolution range: 800 ~ 4000CPI ¥7-button with 2 way click scroll ¥On-board memory: 128KB ¥Cord length: 1.8m Mouse size: Very Large ¥130(L) X 68.12(W) X 43(H)mm Specification ¥7 Macro-ableª Optical Gaming Mouse with 128KB on-board memory ¥CPI switching on-the-fly [Default]: 500/1000/1500/2000CPI ¥Software CPI setting: as low as 500CPI up to 4000CPI ¥Adjustable polling rate(/second): 125Hz/250Hz/500Hz/1000Hz ¥Frame rate: 6600fps ¥Acceleration: 20G ¥Advanced Optical sensor: A3050 ¥Adjustable mouse light effects and up to 4 colour options ¥[Default: Red colour 500CPI] Comet Red ¥[Default: Blue colour 1000CPI] Cosmic Blue ¥[Default: Green colour 1500CPI] Alien Green ¥[Default: Purple colour 2000CPI] Flaming Fuchsia ¥Total 7 Buttons with 2-Way Click scroll [save up to 7 macros in 5 available profile] ¥High performance tracking speed: up to 160 inches per second. Multi-languages specifications ¥Resolution range: 800 ~ 4000CPI ¥7-button with 2 way click scroll ¥On-board memory: 128KB ¥Cord length: 1.8m Mouse size: Very Large ¥130(L) X 68.12(W) X 43(H)mm