E-element Gaming Keyboard, Brown Switch, 81-Key Anti-Ghosting, Mechanical Gaming Keyboard, RGB LED Backlit, English Layout, USB Wired, Fast Response, Waterproof Gaming PC Keyboard (Brown Switch, White) ■ Connection method: USB-A on the PC side, USB-C on the keyboard side. ■ Ergonomic design. ■ Full key anti-conflict, compatible with various games. ■ Super cool RGB backlight. ■ Two-color injection molding keycaps, the characters do not fade. ■ Mechanical brown switch key switches, solid key feel. ■ Removable key switches. ■ Waterproof and dustproof. Reason for sale: I didn't quite understand how to use it. I've only opened it once, so the product condition is very good. Feel free to ask if you have any questions!