● Ntxuav-nrog txog 38000 strokes ib feeb, tshwj xeeb ntxuav lub qhov ncauj.
● Sensitive-nrog tsis muaj zog 38000 strokes perminute, maj mam tu rau qhov chaw rhiab heev.
● Dawb-nrog rau 38000 strokes ib feeb, tshem tawm cov quav hniav thiab cov kab mob uas tshuav tom qab los ntawm lwm cov txhuam hniav.
● Polish-Nrog txog li 38000 strokes ib feeb, 2X ntau cov quav hniav yuav ua tau zoo txhuam S0 sai.