Product Name LED Color Sensor DPI* Polling Rate L/R Click, Lifespan Cable Length Dimensions (W x H x D) Weight Weight Without USB Cable Warranty CM310 RGB with 5 modes Pixart A3325 7 Levels (500, 1000, 2000, 3000, 4000, 5000, 10000) 1000 Hz / 1 ms 30 million times Flexible Rubber, 1.8 m 127 (L) x 71.5 (W) x 39.5 (H) mm 135 5g / 0.297 lbs 100 5g / 0.