Description Brand: Rapoo Model: N100C Product size: 116*61.8*35.6mm Product weight: about 58g Connection method: wired How it works: Optical Maximum tracking speed: 30inch/s Buttons: left button, middle button, right button Wheel direction: bidirectional Resolution: 1000DPI Line length about: 1.5m Power supply mode: USB-C USB-C interface Adapt to multi-system USB-C devices. Left and right hand symmetrical design. frosted process cover. 1000DPI multi-surface application. Anti-skid grille rollers. No software required, plug and play.