Little Kangaroo DS-917 1000DPI Ergonomic Optical Wired Mouse Laptop Mouse For Office Gaming 1. The ergonomic design ensures a comfortable grip, significantly enhancing the control and comfort 2. The plug-and-play USB interface enables connection and use with various USB interface electronic devices 3. The 3D scroll wheel design guarantees smooth sliding in office games, without any discomfort during work 4. It adopts a 1000DPI optical chip and a powerful optical tracking engine, providing stable control and eliminating frame drops 5. The cable length is approximately 1.4 meters, with a symmetrical design, capable of meeting all operations for both left and right hands 6. It is sensitive and durable, featuring an esports-level microswitch. The keys use competitive microswitches, with zero delay, smooth wear-resistant rebound, and a comfortable feel Parameters 1. Number of keys: 3 2. Interface: USB interface 3. Resolution: 1000 DPI 4. Length of cable: 1.4m 5. Working mode: optical 6. Size: about 11.2 x 6 x 3.7cm 7. Weight: 97 +- 5g