Touch Screen laptop

one problem of touch screen laptop is, once touch screen malfunction, you have to fight its way to disable it, even during OS installation process.

Rubber type of buttons

rubber will fall off after 3-5 years of use
like sony wi-c300 earphone button, 3 buttons are designed as 1 piece of rubber cover, once fall off, all button gone
hard plastic individual buttons are the way to go, like wi-c400

cables, if got move around often, may fail
try use wireless as much as possible, physical wear out faster than electronics.

Printer without enclosed paper drawer is expose to dust with the paper feeding tray, either from back or front opening

generally, bluetooth speaker with built-in battery may experience weak battery after 1 year +
most bluetooth may not have aux input, means direct audio input cable connect (which is useful for connect non-bluetooth audio output device)
speaker is all about output Walt, for reference
- yamaha shs-300 speaker is: 0.7W
- casio CT-S300 speaker is: 2.5W+2.5W
- Dell S2421H built-in speaker: 3W
- anker soundcore motion b (has aux in): 6w+6w
- anker soundcore select 2: 16W
- anker soundcore boost: 10w+10w
- anker soundcore motion+ (has aux in): 30W
- jbl flip 5: 20w
- jbl flip 6: 30w
- jbl charge 4 (aux in): 30w
- jbl charge 5: 40w
- jbl xtreme 3 (aux in): 25w+25w+25w+25w