Q: The mouse cursoriness down suddenly, what happened? A: The mouse battery is low, please charge the mouse: Billycan' turbocharge? Ar When charging, please slide the power switch at the bottom of the mouse fo ON, their it can be charged, Otherwise the semiotic can’ the charged. Qi Why the mouse can” match? Unusable? A: 1] For first time connection, please keep the distance between the mouse and the receiver less than 30 cm.