Universal Ultra-slim Wireless Keyboard Bluetooth 3.0 Keyboard 78 Keys Silent Keyboard for Phone Tablet PC Computer Feature: 1. Bluetooth 3.0 wireless technology is adopted. The connection is simple and stable. 2. Two AAA alkaline batteries are used, with a long period of use. 3. With a power switch, it can turn off the power when it is not in use and save energy. 4. Ultra thin design, the body thickness is only 6.7mm. 5. Key structure: key cap (including X scissors angle, double arm suspension angle) + top cover. 6. Key cap uses: ABS+PC laser material, thickness is only 2.5mm. 8. The touch is gentle and the tone of the button is quiet. 9. 78 key design, and with multimedia and shortcut keys. 10. Ultra thin suspension type key design, nature, fashion. 11. Compatible with computer windows operating system, such as Windows2000, NT, XP, Vista and so on, no need to drive, so long as there is Bluetooth function, it can be installed directly. 12. Compatible for Mac OS operating system, for iPad, Phone OS 4.0 does not need to install any driver, can be used directly. 13. Compatible with windows mobile operating system, no need to install any driver, can be used directly. Specifications: Bluetooth version: V3.0 Product size: 280*115*18mm/11.02*4.52*0.7” Color: Black, White Note: Please allow 1-3cm measuring deviation due to manual measurement. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.