Model: FBK25 Operating Range: 5~10 M Connection: Bluetooth / 2.4G Multi-Device: 4 Devices Layout: Windows |Android|Mac|iOS Battery: 1 AA Alkaline Battery Battery Life: about 650H (12 Months) Receiver: Nano USB Receiver Net Weight:468 g (w/ battery) Includes: Keyboard, Color Plate *3, Nano Receiver, 1 AA Alkaline Battery, USB Extension Cable System Platform:Windows |Mac|iOS|Android...