Product Description Features: 1.92 keys, 2.4GHz wireless keyboard with touchpad. 2.Mini keyboard with multimedia control keys and PC gaming control keys 3. Ergonomic hand-held design is easy to carry and operate 4.The standard version does not have a backlight function, and other functions are the same. The dry battery model requires 2 AAA batteries (not included), and the lithium battery model is a built-in lithium battery. Description: 1. Wireless Mini Keyboard 2-in-1 keyboard and Touchpad with multimedia control buttons. The 2.4GHz wireless connection can easily connect and control your smart devices and allows a range of up to 15 meters. 2. Universal Compatibility Compatible with PC, Android TV box, Smart TV, HTPC,Xbox360/Ps3,Ps4,Laptops,Tablet etc. 3. Energy SavingBuilt-in rechargeable polymer lithium-ion battery ensures longer usage time. It has an automatic sleep-wake function to save power when not in use. Dry battery models require 2 AAA batteries (not included). 4. RGB Backlight It features 3-color RGB backlight. Just hold "Fn" and press "F2" to easily change the color. The streamlined design allows for easy handling and use of the highly sensitive touchpad with 360 degree flip design.