Bluetooth numeric keyboard & calculator (Equipped with a 12-digit digital display+ calculation function). | Calculator function: Press the "Keypad/Cal" key to switch between numeric keypad and calculator. | The numbers calculated with the calculator can also be transferred to a PC with the "SEND" key (calculation results, etc.). | Bluetooth 5.0 connection, easy to use, fast response. Compatible with Windows/MacOS/iOS/Android. | Calculation functions: addition, subtraction, multiplication, constant calculation, memory calculation, percentage calculation, etc. | Keyboard key feel: The same specifications as computer keys, very soft and silent. And even if you press and hold, it will only input once, preventing wrong number input. | Type-c charging, no need to replace the battery. | Multifunction numeric keypad: Equipped with ESC/()/Tab/, /DEL/=, etc.