He uses them for Google Meets for school. I plugged them into my MacBook and listened to Steely Dan’s “Royal Scam”—I could hear with incredible clarity and when I turned up the volume all the way there was no distortion. So although these are nice authentic clogs, if you shop around, you will find them for less, and without an expiration date to return with no racecourse after that. Youll let your guard down and then a pterodactyl will suddenly appear from nowhere and screech in your ears as loudly as it can. For the most part, they can hold a lot of clothing. What the TB19 does it does well. - if you have a sun-lit room only the strongest of colors can be seen well. Japprécie ! If you are in an "open office" environment and can swing the $200, I strongly urge going for the 75. I keep buying products and look at them with my engineering eye.