Model: FBK30 Operating Range: 5~10 M Connection: Bluetooth / 2.4G Multi-Device: Bluetooth x 3, 2.4G x 1 Battery: 1 AA Alkaline Battery Battery Life: about 24 Months Receiver: Nano USB Receiver Net Weight:386 g (w/ battery) Includes: Keyboard, Nano Receiver, 1 AA Alkaline Battery, USB Extension Cable, User Manual System Platform：Windows / Mac / Chrome / Android / HarmonyOS… ①Wireless connection may vary based on user and computing conditions. ②Battery life may vary based on user and computing conditions. Categories: Computer Accessories, Keyboards