1. GORGEOUS COLOR DESIGN NEVER FADE OFFThis green colors design keyboard will help you to enjoy your typing better and it could also help to be distinctive in your office or dormitory. 2. STABLE USB CONNECTION TECHNOLOGY The one 2.4GHz USB receiver can connect both the mouse and keyboard to your computer at the same time without any drivers and software, plug and play. 2.4GHz wireless connection distance can reach 10 meters without delay and disconnect, it can also keep your desk tidy without messy wires. 3. Sensitive Response Retro Round Keycaps Computer Keyboard Adopts noise reduction keys, a square mechanism under each key improved stability, quick rebound and no delay. The retro round concave keycap matches the shape of your fingertips, and it is comfortable to press, just like typing on an oldfashioned typewriter, and your hands will not feel tired during longterm office work. 4. Auto PowerSaving Function When you stop using the keyboard for more than 5 minutes, the keyboard will enter sleep mode. Even allows you to forget the battery as the battery life is up to 36 months. Press any key to activate the device. (Note: 1 piece AAA battery is required for the keyboard and 1 piece AA battery for the mouse. (Battery not included)