[Quiet ]With 18 full-size quiet keys, easy to use with excellent touch and precise control. Ergonomic design long-term use without fatigue, especially suitable for the staff working in spreadsheets, accounting documents or financial applications. [Anti-slip and Portable Design]There are four non-slip designs on the back of this keyboard to prevent it moving on the table and affecting your work. It is only 0.23lb so you can work effectively and quickly-whenever and wherever. [Easily Set Up]Plug & Play. It can be used by plugging a small USB into the computer interface, you don't need to install any software. Numeric keypad work with no delays and dropouts, fast data transmission, greatly improving your efficiency. [Automatic Sleep Function]It auto enter sleep mode when not in use for 5 minutes, so you don't need to worry about wasting power. When the power is low the indicator light turn on to remind you, avoiding it cannot be used when you need it most. [Wide Compatibility ]Compatible with for 2000 / XP / Vista / 7 / 8 / 10, for MacOS, for Linux, for iOS and Android systems, including computers, , PC, desktops,etc. (The product printed words depending on the batch, but this does not affect use) Color: Green Material: plastic Package Contents: 1 * Digital color mini keyboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.