Seaciyan Professionally Offers Color Wireless Keyboard and Mouse! Here are More Details, Why Choose This Set? Retro Keyboard Typewriter Style -Keyboard looks like a typewriter, the round and high keycaps are elastic, and the perfect clicky gives a mechanical hand feel; -Its sound is nice and quiet, so you can use it in front of others without disturbing them; -Its keycaps are detachable, making the keyboard easy to clean. Ambidextrous Mouse: The mouse has 4 buttons, of which there is an adjustable DPI (800-1200-1600) button in the middle of the mouse to meet your high precision needs. Ergonomic Comfort Design: -There is a small ball bracket at the bottom of keyboard, 6°tilt angle provides a perfect typing position; -The mouse curve fits the palm perfectly, helping to reduce the pressure on the forearm and wrist, and it is also comfortable for long-term use. Spill-Resistant Design: Keyboard has built-in drainage holes, so there is no need to worry that a little water splashing on the keyboard will damage the keyboard. Specification: Material: ABS Type: Membrane Keyboard Interface: USB (In the back of mouse) Connection: 2.4G wireless, plug and play Keyboard Size: 34.5*13.5*3.5cm/13.5*5.3*1.4in Weight:540g/1.2lb Keys Number: 84 keys Power Source: 2 AAA battery (Not included) Mouse Size: 9.6*7.6*4cm/3.8*2.7*1.5in Weight: 86g/0.18lb Power Source: 1 AA battery (Not included) Compatible Systems: Windows XP/Vista/7/8/10/11, Android Mac OS (Note: some shortcut keys may not work well on MAC). All Keyboards and mice are checked before we send, if there still have any questions, please contact with us freely, we will always be here for you. How to Contact Us: Sign in your Amazon account > Choose "Your Orders"> Find that Order ID> Click "Contact Seller" on the right side.