?NOTE: The USB receiver is installed inside the mouse backward? ULTRA SLIM & ERGONOMIC DESIGN: This ergonomic keyboard wireless with 0.7 inch ultra-thin full sized design,is portable , save space and easy to carry.  Built-in foldable stands provide an ergonomic tilt angle for a great typing experience. Rubber Pads on the back enable the best comfort and keep the Silent keyboard in place, helping you enjoy the smooth typing and clicking. SILENT DESIGN & AUTO-SLEEP MODE: The innovative silent structure design of our mouse and keyboard allows you to work without disturbing others, creating a whisper-quiet environment. Besides, they feature an auto sleeping mode, save power and extend the battery life. STABLE 2.4G WIRELESS PLUG AND PLAY: No need for any drivers, just simply insert the USB nano receiver into your computer and use the PC keyboard instantly. Strong reliable 2.4G Hz wireless ensures smooth operation, no delay or drop-off with 8-10m(26-33ft) working range. FULL-SIZE KEYBOARD AND MOUSE COMBO: The full size keyboard has convenient hotkeys and number pads for easy access to page operations. High precision1600DPI provides more precise control. They are compatible with PC/Desktop/Laptop,Windows XP/7/8/10, MAC OS,IOS,LINUX,etc. VALUE PACKAGE: Our packing list is including cordless keyboard and mouse combo, 3 pcs batteries,nano USB receiver (USB dongle stored inside the mouse,If you can't find where the receiver is,please kindly check out the second picture or video), USB C to USB OTG cable, user manual, thank you card. We provide 30 days unconditional money-back guarantee, you can buy them with confidence.