Product overview 1. Built in 3.0 Bluetooth wireless technology, experience wireless benefit 2. Powered by AAA alkaline batteries, continuously using is up to 3 months (not include it) 3. Built external power on & off button, it can be power off when it is not in use. 4. Ultra thin design, only 6.7mm thickness as for its body. 5. Key structure constitution: button cap(X scissor foot, dual arms is fixed in floating angle) + 6. Button cap material: ABS +PC logomram, thickness is only 2.5mm. 7. Soft hand feeling, quiet button sound, using lifetime is 2~3 times than ordinary button. 78 buttons design, with 6 multimedia buttons and special home button for iPhone & iPad, browsing, researching, lightness adjustment, photos browsing, virtue keyboard and screen switch shortcut. 9. Ultra thin floating style key design make it looks fashion. 10. Elegant appearance, stylish, extremely exquisite, white and black colors are available. 11. Size: 284.34 (L)* 120.0 (W)* 18.60 (H) mm 12. Compatible with windows OS, such as windows 2000, NT, XP, Vista, no need to install driver, it can work well after pair up with Bluetooth. 13. Compatible with acos OS, iPad, Phone OS 4.0, no need to install any drivers, it can work well after pair up with Bluetooth. 14. Compatible with windows mobile OS, no need to install any drivers, it can work well after pair up with Bluetooth.