回答“Cleaning the wireless & wired keyboards”Modern electronic devices are absurdly reliable. My AirPods have been through the wash machine and dryer and they still work. My late 2001 iBook (Mac OSX 10.4.11, 500MHz PowerPC) drank a thermos of coffee with sugar and creamer in 2012. I took it apart, cleaned it with alcohol and that didn’t work, but using water worked perfectly. It still runs great, just booted up to be sure. I prefer its keyboard to my MacBook’s by the way. In terms of keyboards, I’ve used the top-rack-dishwasher technique on Apple’s wired keyboards pretty frequently and never had a failure. Haven’t tried wireless. As an aside: With the dreaded Covid-19 virus running around, you may want to disinfect your devices. Clorox wipes seem to be useful. There’s a device soon to come on the market that uses ultraviolet C to disinfect your phone, remotes, etc, but it won’t do anything the size of a keyboard. It runs $100.00-plus. A UVC bulb is about $15-20 but BE CAREFUL! UVC will fry your eyes and cancerize your skin. Put it and your...