A classic example of you get what you pay for.
The pros: Cheap, reasonably comfortable, great battery life
My primary use case is while working out. Unfortunately, as soon as I break a sweat, my sweat triggers phantom actions from these earbuds. My volume will suddenly and rapidly increase or decrease to the extremes, my podcast or playlist will pause or skip something, Siri will think I'm asking something. These issues render the earbuds basically useless regarding the main purpose I purchased them for.
Another minor annoyance: they often connect to my phone's Bluetooth even when in their charging case. So if I want to use my phone normally, half the time I have to go into settings to manually disconnect them in order to hear anything out of the phone speaker directly or any other device.