Ambidextrous for both left and right hand Side button cover (4pcs) Included Designed for Competitive eSports Wide Waist / Low Hump Symmetrical Shape Recommeded for Claw / Fingertip Grip Ultra-light Weight 56g Fast and Double Click Free OPTICAL SWITCH Pulsar Blue Encoder Super Smooth ballbearing wheels Latest Flagship PAW3395 Sensor Fully customizable sensor setting Fully customizable keys and macros Superflex Paracord Cable Ultra Durable Lag free 2.4GHz Wireless technology Up to 100 hours battery life, ±10% at 1000Hz polling rate. Actual battery life may vary depending on user environment.