Description 1.Advanced 2.4 GHZ wireless.2.You can work or play in more places like your comfy couch,the long-range wireless connection virtually eliminates delays,dropouts,and interference.3.Multiple battery-safe mode,support wake-up function in PC and enter sleep mold automatically while idle.4.Invisible receiver compartment.(Receiver stowable in the mouse:protects against dirt or loss.)5.New improved wireless,uses 2.4GHz wireless for much greater range (up to 10 Meters) and less chance of interference from other nearby wireless devices;Keyboard:1.Size:46cm*12cm*3.5cm2.Color:White3.Model:JK-9064.Keyboard battery: 2 * A AA batteries (not included)5.Mouse battery: 1 * AAA batteries (not included)6.Compatible for Windows ME/2000/XP/Vista/7Note: This 2.4G keyboard Mouse only works with PC ,not work for IPAD , touch screen Tablet PC.Installation:1:Slide down the mouse cover,take out wireless receiver and plug to a USB Slot PC or Android device.2:Insert an AAA battery to the battery compartment.Be sure to insert the negative end first when inserting new battery.3:Replace the battery cover,ensure the prong slot into the mouse.Switch power on in bottom of the mouse.4:Take off keyboard 039;s battery cover from the bottom of the battery.Intert 2 AAA 5:Press an key on the keyboard to activate it.Package include1 x Wireless Desktop Keyboard1 x Wireless Desktop Mouse1 x Keyboard Protective Cover1 x USB Receivcer1 x User Manual