... up and down function key, left and R Convenient 2.4G Wireless mini keyboard 500RF Fly Air mouse Used for PC, ... devicesQuickview:This is a wonderful combo, 2.4GHz Mini Wireless QWERTY keyboard, TouchPad combo, with USB interface adapter for the lectuer, sales ... TV Box, etc. Almost all smart devices.FeaturesBuilt-in 2.4G wireless receiver Sensible Touchpad keyboard with backlight function Flip up and ...