HER: RBH HERBERT 120%20M EH Onion switch C Bd GERRY On the bottom of the mouse, thees is 8 On/OT switch. When you srs travailing ar on @ plans or slop using iL for a tang time, planes switch iio Of fo save powar. Press the = DPI bunion for 3, th LED gets dark gradually tl off. Reuse it, you ned to pass the DP! buttons 3s again, ihe LED will fish according to ihe rats power, if rats power over 1.5V, tia $F-Ton LED will flash 5 the, If 1838 than 1.0¥, the LED will only Irateness Sym Nona Moles flash oie time.