Specification: 1. Brand: Royal Kludge (RK) 2. Model: RK61 RGB Version 3. Color: Black, White 4. Material: ABS 5. Switch: RK Brown Switch, Red Switch (Note: RK61 have many versions with different brand switch, and this product link sells the RK switch version.) 6. Connection: bluetooth + USB Wired Dual Mode 7. Layout: 61 Key 60% Keyboard Layout 8. Backlit: RGB Backlit 9. Dimension: 290*100*35mm Features: 1. Royal Kludge RK61 is with a ultra compact 61 keys layout, easy to carry. 2. Supports bluetooth and USB wired dual-mode connection. bluetooth connection supports connecting 3 bluetooth devices at the same time, press FN+Q, FN+W, FN+E to switch to. USB Cable is a detachable cable design, more convenient for your use. 3. Adopting double shot molding ABS keycaps, nearly 1.5mm thick, durable and anti-wear. 4. RGB backlit displaying, and with 17 backlit modes for option. 5. Widely compatible, compatible with Windows, iOS, Android; not only use with desktop computer, but also can be conneted with laptop, tablet or mobile phones. 6. Supports NKRO in wired mode. 7. Driver link: https://drive.google.com/open?id=1FdvWg8j6CGjuzMCnXOuek2pAvrOKK8n