Sanwa Supply Silent Bluetooth Keyboard with Numeric Keypad SKB-BT37BK

This is a quieter type with significantly quieter key touch noises than conventional membrane keyboards. It can be connected to devices with built-in Bluetooth, such as computers and smartphones, without a receiver. Compatible with various devices including Windows, Android, macOS, iOS, and iPadOS. You can connect up to three devices simultaneously and instantly switch between devices with the press of a button. It comes with an LED that lets you know the status of Numlock and Capslock at a glance.