... : Ultra Mini Storable Wireless Foldable Mouse,Snap-in Transceiver,Brand New USB 2.4Ghz Wireless Mouse Specification:Device Type: Wireless USB ... : Win 2000, XP, SP2, Vista 32/64 bit , Mac OS X(10.2.8) or higherScrolling Capability: YesVertical Scroll: YesWireless Frequency: 2 ... . left-click button restart it ,second,when you change the new battery,you are need to check the insert battery is ...