?4 in 1 Keyboard Mouse and Headphone Set?This gaming combo includes a wireless 87 key keyboard,a wireless crack pattern mouse, a wired headset and an exquisite mouse pad, the keyboard and mouse has large capacity inbuilt battery(Keyboard:3000mAh, Mouse:800mAh), easy to be charged by inserting the USB cable into your computer USB port, avoid to meet the trouble of replacing battery frequently, the headphone can be easily connected in wired way with any device you want, very convenient. ?2.4Ghz Wireless Keyboard and Mouse?This gaming keyboard and mouse combo adopt advanced 2.4Ghz wireless transmission technology, shared one USB receiver, featured with plug and play, can be easily connected by plugging the USB receiver which place in the bottom slot of the mouse into the USB port of your computer, can be compatible with computer mac which support Windows XP, WIN 7/8/10, MAC OS 2.0. Note: Before connecting, pls make sure the keyboard and mouse are turned on. ?Gorgeous Rainbow Backlight?The wireless gaming keyboard can offer cool mixed color backlight effect, 3 level of brightness, more glowing in the dark, provide unique visual feast when using and enhance the competitive atmosphere when gaming, and also you can easily turn the backlight off or on by pressing FN+Scroll key to fit your real needs, and the backlight will auto turn off if no using in 2 minutes to save energy. ?Gaming Mouse?This wireless mouse is designed with cool cracked pattern and 7 color auto changing breathing backlight, 6 buttons, 3 level of adjustable DPI( 800-1600-2400), create a fancy visual experience, make using more flexible and accurate, and it is made of high quality ABS material and ergonomic housing, ensure a comfortable using for a long time without fatigue, it also have light switch to turn on/off the backlight, very practical. ?Wired RGB Gaming Headphone?This headset is designed with 50mm audio driver, 360°adjustable noise isolation microphone, soft memory cotton earmuff and 7-color auto changing backlight, provide a high quality clear stereo surround supports, highlight the competitive atmosphere when gaming, ensure a comfortable wearing experience,can be compatible with PS4, Xbox One, Nintendo Switch, PSP, PC (3.5mm splitter cable included), laptop, computer, tablet, iPad phone. The USB cable is for the backlit.