yezhou mini i8 gaming computer wireless keyboard backlight backlit 2.4g air mouse remote control touchpad rechargeable lithium battery for a

each keyboard included 1pc rechargeable lithium battery,only can use slow charger to charge,it can not use fast charge,it can charge by computer usb port. keyboard has 7 backlight,a,"fn"+"f2" to open 3 types backlight.b, "fn"+"f2" open backlight;press "fn", swipe left and right with fingers touch the lower part of the touchpad, open 7 types backlit. pressing fn+speace to speed up and down.if the cursor moves not well,you can press fn+speace to adjust it. wireless keyboard connect by a 2.4ghz usb receiver.syi