Product Specs:- RF mode: 2.4GHz GFSK- Power supply: rechargeable 280mAh polymer lithium-ion battery- Operation voltage: 3.7V- Weight: 66g- Size: 260 * 58 * 5mm Highlights1.This is wireless 2.4Ghz QWERTY portable multimedia big size keyboard and touchpad combo with USB receiver packed.Your portable and elegant lifestyle choice2.Innovative ShapePortableelegant Built-in rechargeable Lithium-ion battery perfect for PCTabletLaptopRaspberry PI 2/3IOSMacOSLinuxHTPCIPTVGoogle Smart TV Andriod Box KODI XBMC Windows 2000 XP Vista 7 8 103.This keyboard has a new breakthrough in supporting multimedia control key from F1 to F10.and also make a breakthrough in indicators by adding Low power and CAPLOCK indicators except traditional Rii's keyboard charging and RF wireless indicators.4.Built-in high sensitive smart touchpad with design.Single click as left mouseand double click as right mousepress the F5 can disable or enable touchpad function.Auto sleep for saving battery clicking on any key to activateplease know that there have two models of auto sleep function(3 minis and 2 hours)which you can press the FN+ESC to convert the two model5.Generally this keyboard can work well on the smart TVbut different smart TV have different systemEspecially Samsung Smart TVso we can not make sure that this keyboard can compatible with any systembefore you order you can use the common wired keyboard and mouse on your device if they can work well the keyboard and mouse combo can work welltoo.