1 USB Plug for Both Keyboard and Mouse -- We placed the USB receiver on the back of the keyboard and made an indicator bar for the receiver. If you don't see it, please contact us. ?Adjustable 7 Color Backlight Lighting? The large letters and bright backlight make the keyboard easy to type in the dark. The wireless backlit keyboard has 7 color options and 3-level adjustable brightness.They can provide you with more ambiance and visual aesthetics typing experience. ?Wide Compatibility ? The keyboard and mouse combo wireless compatible with Windows 2000 / ME / XP / 7 / 8 / 10/11, VISTA and Mac OS (Note: Multimedia keys may not fully compatible with Mac, OS System). Wireless keyboard and mouse suitable for desktops, Chrome-book, PC, Laptop, Computer,Smart TVs and more. ?Rechargeable and Long-Lasting? The rechargeable keyboard and mouse are equipped with a type-c charging cable, standby time is up to 2000 hours. Has a friendly smart energy-saving feature that automatically turns off the backlight after 120 seconds of non-use, the wireless combo with a separate power switch and backlit switch to save power. ?Wireless Connection and Silent Typing? Plug & play, wireless keyboard mouse combo shares the same USB receiver , which is stored in the mouse. 2.4GHz wireless technology provide a stable and reliable connection up to 33ft without any latency. Light and responsive tactile keystrokes make typing soft, quiet and comfortable.