Chasing K1 USB 1600DPI -speed Adjustable LED Backlight Mute Wired Optical Gaming , Length: 1.3m( ) The product is shipped based on the color or size of the main image of the product page. 1. Plug and play, no driver. 2. The 3-speed DPI can be adjusted freely. 3. The optical engine avoids the occurrence of card frames and frame droppings, and provides a strong guarantee for accurate positioning in the game. 4. Silent mouse, does not affect the sleep of s when used. 5. less steel brushed bottom plate, big foot attached to the chassis, wear-resistant and stable. 6. The edges and corners are distinct, the contour is strong, and the palm is designed to be comfortable. : 1. Number of buttons: 4. 2. Ergonomics: symmetrical left and right hands. 3. Product size: 130x67x38mm. 4. Product interface: USB interface. 5. System : All systems can be used. 6. Button life: 5 million times. 7. Resolution: 800/1200/1600 DPI.