Adopting Bluetooth 3.0 wireless technology, let you get rid of the shackles of the cable Using two AAA batteries(not include) for power supply, this keyboard can be used continuously for three months With a power switch, you can turn off the power when not in use, saving energy Ultra-thin design, the main body thickness is only 6.7mm Key structure composition: key cap (including X-shaped scissor corner, double-arm extension floating corner) + upper cover The key cap adopts ABS+PC laser material, the thickness is only 2.5mm Soft touch, quiet key sound, and the service life is more than 2-3 times that of ordinary keyboards 78-key design, with 6 multimedia keys, and dedicated main control keys for iPad/for iPhone, browse search, brightness adjustment function, photo browsing, virtual keyboard and screen switch function shortcut keys Ultra-thin floating button design, showing a sense of fashion Specifications: Dimensions: 284.34mm (L) * 120.0mm (W) * 18.60mm (H) Compatible with: Windows system, such as windows 2000, NT, XP, Vista, etc. No driver is required, as long as there is Bluetooth function, it can be installed directly For Mac os operating system, for iPad, phone OS 4.0 without any driver installation, you can use it directly Windows mobile system, do not need to install any driver, can be used directly