PixArt 3950 optical sensor with resolution up to 30,000 DPI for exceptionally precise and reliable tracking 1000 Hz polling rate and acceleration of up to 70 G for instantaneous response and fluid control in dynamic games Triple-mode connectivity via USB, 2.4 GHz wireless and Bluetooth for maximum versatility Lightweight construction weighing only 62 g for faster movements and greater comfort during extended gaming sessions OMRON switches rated for up to 100 million clicks for durable and reliable performance 400 mAh Li-Polymer battery providing up to 36 hours of use for long-lasting wireless gaming PTFE skates, flexible paracord cable and software support for smooth movement and personalised adjustment