Description: Portuguese/Spanish Language(Optional): Professional customization, no drivers required, plug and play, as long as Bluetooth is supported. Bluetooth 3.0: With Bluetooth wireless connection, the battery can be replaced and can be used continuously for three months. Support All System: -FN+Q/W/E One click to switch for MAC IOS, for Android, for Windows system. Key structure: keycap (including X-shaped scissor angle, double-arm suspension angle) + top cover. 78-key Design: with 6 multimedia keys and for iPad/for iPhone dedicated master keys, browse search, brightness adjustment function, photo browsing, virtual keyboard and screen switch function shortcuts. -thin Floating Button Design: The main body thickness is only 6.7mm, beautiful appearance, extremely delicate, naturally revealing fashion sense. Specification: Material: ABS Size: Approx. 285x120x18mm/11.22x4.72x0.79inch Portuguese/Spanish Language(Optional) Bluetooth Version: 3.0 Working Distance: Approx. 10m/32.81ft Max Compatible System: For iOS/For Mac/For Android/For Windows Keys Quantity: 78 Power Supply: 2xAAA(not include) Package Includes: 1 x Keyboard (without battery) 1 x Instructions