• Model: FBX51C • Operating Range: 10 M • Connection: Bluetooth / 2.4G • Multi-Device: 4 Devices ( BT*3, 2.4G*1) • Layout: Windows |Android|Mac|iOS • Character: Silk Printing + UV • Battery: 300mAh Lithium Battery • Receiver: Nano USB Receiver • Includes: Keyboard, Nano Receiver, USB Extension Cable, Type-C Charging Cable • System Platform: Windows / Mac / iOS / Chrome / Android / Harmony OS... ①Wireless connection may vary based on user and computing conditions. ②Battery life may vary based on user and computing conditions