1.Multifunctional Wireless TouchPad Keyboard Wireless keyboard + Mouse + Touchpad + Remote Control. Users can present and operate the PC within 10M, change slides and screen options, write on the screen, emphasize text and objects. There is a large-area high-sensitivity touchpad to achieve comprehensive panel touch operations. There is a keyboard and mouse switch button in the lower left corner of the keyboard, which can be switched freely2.USB Power Supply & Energy Saving The mini wireless keyboard and mouse combo have a Built-in 300mAh lithium battery(can recharge repeatedly). After being fully charged, it can be used continuously for more than a week, don't worry about cable trouble. In standby mode, Auto-sleep when no use in 3 minutes or this is a wireless disconnection in 10 seconds3.Backlight & Lightweight The compact wireless keyboard has a monochrome backlight that can be adjusted on 3 levels, even in dark environments. Adjustment method: Press Fn and space at the same time. Size: 5.59 * 3.54 * 0.51in, weight: 118g.It is the same size as a mobile phone can easily be put into a pocket, and is very convenient to carry4.Buzzer Mode & Silent Mode The keyboard with touchscreen has a buzzer that gives feedback on input status. To turn off the buzzer, press Fn and the Mute key (to the left of the space bar) at the same time. You can use this keyboard quietly without disturbing others5.Compatible with Multiple Systems The small wireless touchpad keyboard is suitable for PC, Xbox 360, Android TV, PS3, PS4, smart TV, intelligent projection equipment, etc. Compatible with Windows XP/10, Vista 7/8/9, Mac, Linux, Android, Mac, and other operating systems. USB HOST device is compatible with HID