... information,it help you deal your problem,thanksfirst:When the mouse interval one minute didn't use, ... saving mode. left-click button restart it ,second,when you change the new battery,you are need to ... connector,and then insert the connectorABOUT SHIPPING We ship by EMS, DHL, UPS, China Post air mail/Hong Kong ... If the item is defective, please notify us within 3 days after you received. Do not open any ...