What this wireless keyboard can offer you is the automatic sleep function, it can automatically sleep when 15 minutes of no response to save power. This wireless keyboard is characterized by 10 meters stable connection and mute hit, which helps you to concentrate on your work or study and improve your working efficiency. Made of high-quality ABS material, this product is lightweight and durable to use. The length of this product is 32cm, the width is 13.7cm, and the height is 3cm. The keyboard is suitable for tablet, laptop, desktop and so on. And it is compatible for Mac, for iOS, for Windows, for Android. Item Name: Wireless Keyboard Material: ABS Brand: AJAZZ Model: 308I Color: Chocolate Color, Rainbow Color, Multicolor + Pink (Optional) Bluetooth-compatible Version: for Broadcom 3.0 Transmission Distance: 10 Meters Number of Keys: 84 Key Life: about 10 Million Times Battery: 2 x AAA Batteries Support Systems: for Mac, for iOS, for Windows, for Android Features: Mute Hit, Automatic Sleep, Round Key Size Details: 32cm x 13.7cm x 3cm/12.6" x 5.39" x 1.18" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. Package Includes: 1 x Wireless Keyboard 1 x User Manual