LIIR Wireless Keyboard with Multi Touchpad,Touch Keyboard for Windows, Linux /Android IOS Tablet PC/ Galaxy Tabs& Smart Phone (2.4G black) no battery QWERTY 2.4G Wireless Keyboard with Touchpad Which Supports Multi-finger Functions Hortcut Keys to Increase Your Working Efficiency.Fit for Smart phone,Tablet,PC,etc No messy cables anymore and you can play computer games on the bed or in the sofa comfortably. Comfortable and excellent key touch feeling to release your fatigue Ultra Slim & Stainless Steel Back Cover Design,Full Screen Scroll function,let you browse the web quickly The keyboard may in sleep mode. Normally, the keyboard will auto in sleep mode in 10 min without any operation. In this case, please just press any key to make the keyboard begin to work. II. The touchpad may closed. Please press FN + Space at the same time to unlock the Touchad. Then, the touchpad will start to work.