12 key combinations make the keyboard function more abundant and operation more efficient..The LED indicator can display the remaining battery in real time, flashing red when the battery is too low.Adopting Baking varnish process, it is wear-resistant and oxidation-resistant.The keyboard has 4 silicone pads, which have a good anti-slip effect and prevent the keyboard from moving when typing.It is fully compatible with multiple systems and supports electronic devices such as notebooks, TVs, desktops, and TV boxes with USB interfaces.Item Name: Wireless Keyboard + MouseMaterial: ABSInterface: USBWireless Technology: 2.4GNumber of Keys: 78Sleep Time: 10 MinutesStandby Current: 0.8-1.7mAWorking Current: 3.7mAPower Supply: 2 x AAA Batteries for Keyboard, 2 x AAA Batteries for Mouse (Not Included)Features: Wireless, Anti-slip, Wear-resistantKeyboard Size: 28.5cm x 13.3cm x 1.8cm/11.22" x 5.24" x 0.71" (Approx.)Mouse Size: 11.3cm x 5.9cm x 2cm/4.45" x 2.32" x 0.79" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes: (Battery Not Included)1 x Wireless Keyboard1 x Wireless Mouse1 x USB Receiver