... : Mini USB receiver 3) color: client request 4) 2.4Ghz Wireless 2.4G wireless mouse Package Contents:Mouse, Nano-receiver , Battery, User ... need to remove it the receiver stores inside the mouse. 2.You get a powerful ,reliavle connection,with virtually no delays ... smart sleep model extends battery life. 4.Between the 800/1200 DPI free conversion,you can adjust it to achieve the ...