FULL SIZE KEYBOARD WITH HOLDER: The wireless keyboard is in full size design with QWERTY US Layout, reducing your typo frequency. Moreover, it comes with a slot to hold your phone or tablet, which allows you to easily view SMS or other information on your mobile phone without picking up the phone, convenient for video conferences and online courses. ENERGY SAVING: Wireless mouse and keyboard features with smart sleep mode for saving power, they will go into sleeping mode to save battery consumption while its not in use for 3-5 seconds. Click or press any key or button to wake them up. (1*AA battery for the mouse and 2*AAA batteries for the keyboard, Battery not included in the package) MULTI-FUNCTIONS AND HIGH EFFICIENCY: LeadsaiL wireless keyboard features number keypad, 12 FN+ shortcuts and 5 hot keys that allow your instantly access to music, media, volume, and more.(Note: this function is not compatible with Mac OS). LESS NOISE, MORE QUIET: The USB keyboard with the sci