Please note that the price does not include customs duties!! Customs duties need to be borne by the buyer themselves. Descriptions: Three modes of connection: hyper fast, sub 1ms Slipstream Corsair Wireless technology, low latency Bluetooth, or USB wired. Contoured shape that's sculpted specifically for palm grips and larger hands, giving you comfort when it counts. Custom PixArt PMW3391 native 18, 000 DPI optical sensor with 1 DPI resolution steps for ultra accurate tracking and accuracy. Ten fully programmable buttons to customize the way you play, with powerful macros and key Remaps TO give you an in game advantage. Ultra durable Omron switches rated for more than 50 million clicks. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.