2.4G+Bluetooth Dual Mode DesignRii 2.4GHz Mini Wireless QWERTY keyboard is built-in lithium rechargeable battery IR Learning FunctionThis mini keyboard has IR learning function with 10 learning keys,you can throw your own remote away. Backlit DesignThe 2.4G mini wireless handheld keyboard has backlit mode. Easy to use even in dark environments. Built-in a Li-ion rechargeable battery. With auto sleep and wake-up function, it can remain a long working time. Widely CompatibleIt can be used as a keyboard remote control for Android TV box, smart TV, PC, x-box, desktop, laptop, smart phone. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.