... wireless mouse , 2:build in mini receiver, 3:10m oprating range 4:Foldable ,easy to carry 5:Paypal accepted item name2.4g mini wireless ... 2.4GHz digital wireless transmission,operation distance is up to 10 meters.2.built-in mouse memory,no ... battery power and replace it as necessary4.The mouse will shut off automatically and enter sleeping mode ... bin. PACKAGE BOX: MORE TYPES OF WIRELESS OPTICAL MOUSE: