IMPORTANT - There is NO dedicated receiver for the keyboard. There is only ONE receiver which is stored in the mouse, next to the mouse's battery slot. And one receiver can connect both the keyboard and mouse. There is a receiver slot on the keyboard, but that slot is useless ONE USB A or TYPE C RECEIVER FOR KEYBOARD AND MOUSE - Forget about drop-outs and lag, free up your desk with a strong, reliable 2.4G wireless connection provided by this cute keyboard and mouse. Simply plug the 2-in-1 USB A or C dongle in, the wireless keyboard and mouse combo is ready to go 33 ft of wireless freedom. With USB A and Type C plugs, the colorful keyboard and mouse works great with your Windows, Mac OS computers and laptops without extra USB hub. (The receiver stores in the mouse) 2-IN-1 WINDOWS AND MAC KEYBOARD LAYOUT - Enjoy the familiar typing whether you're apple fans or a PC user. Available for both PCs and Macs (complete with the right Command and Option keys position), you can use Windows or Mac keyboard layouts depending on your devices system with this cute keyboard and mouse. (The keyboard works with one AAA battery, the mouse uses one AA battery, batteries are not included) RESPONSIVE KEYS FOR 5 MILLION PRESSES - This round key keyboard is simultaneously tactile and comfortable. Each key of the circle keyboard was carefully crafted to ensure that every keystroke is fluid, accurate, and durable enough for a whopping 5 million presses. Perfect concave and low profile round keys are crafted for your fingertips, providing you satisfying feedback no matter where you strike the key, good for rapidly and accurately fill in a line even without a glance of it. 15 CONVENIENT HOT KEYS AND FN LOCK - Getting work done couldn't be easier with this windows and mac keyboard, which features all the keys you need, including a number pad and 15 hot keys, giving you instant access to media controls, copy, paste, save, open browsers and turn off screen with the touch of a button. With a Fn lock key, you can customize the Fn arrow to F1-F12 function by default or hot key function by default easily. ATTRACTIVE APPEARANCE AND ERGONOMIC DESIGN - This seenda wireless keyboard and mouse combo brings together the aesthetics of a full-sized keyboard with a sculpted, compact mouse, which are beautifully crafted to spice up your boring desk, making staring at the keys a pleasure, rather than a chore. The aesthetic keyboard has feet to keep it at an optimum angle, encouraging you to use correct posture, helping relieve stress on your hands and wrists from long hours of use.