AK871 Hot Swap Wireless Mechanical Keyboard, Bluetooth/2.4G Dual Mode, Compact 87 Keys, Comes with 8 Replacement Keycaps, Compatible for PC/Laptop/Smartphone/Tablet

?Product Guarantee?All of our products are inspected for quality before shipping. If there are quality issues with the product within one year of purchase, we offer a refund or a free replacement. If you have any questions, please feel free to contact us. ?Battery Powered? Because the service life of the lithium battery is lower than that of the keyboard, we use two AAA batteries for power supply, which can last up to 3-6 months in daily use. ?Compact and Full-featured?Fn combination keys integrate multimedia functions into F1-F12. Prtsc, Scrlk, Pause, Ins, Del, Home, End, PgUp, PgDn have independent keys, which are more convenient to use. ?Hot Swap?The 87-key layout is compact and easy to store and carry. All switchs are hot-swappable. (Note: only compatible with 3-pin switchs). ?Free 7 Extra Keycaps?There are 7 additional keycaps of different colors (space, enter, arrow*4, ESC), and the colors can be freely matched. ?Bluetooth/2.4G Dual-Modes?[Bluetooth mode] No need for USB ports, strong compatibility. Suitable for connecting mobile devices without USB ports. such as mobile phones, tablets, laptops. [2.4G mode] Using a wireless receiver, no cables required. Plug and play, less power consumption than Bluetooth. Suitable for connecting to PC and laptop. (USB port required).