Because the Bluetooth support connects with your device, you will be able to see a battery indicator displayed on your device with the amount of charge left in your earbuds.
If you listen at maximum volume, it will shorten the lifespan, the same with colder weather.
Based on the athletic design of these earbuds, the boosted bass of workout-style music seems to match their design.
Unfortunately, the TOZO 10s do not include an equalizer, so adjusting the soundscape to accommodate different genres of music.
They do not have ear-hooks or ear-fins like the Apple AirPods or other similar wireless in-ear headphones.
That could be a con to some if you are planning to use them for athletics or an active lifestyle.