20 20 20 APP
To help you deal with eye strain problem, the 20-20-20 rule suggest that after every 20 minutes, you (the computer ) should take a break for at least 20 seconds and look at objects that are 20 feet away from you.
This 20 20 20 Android APP reminds you every 20 minutes to take a short break about 20 seconds.
It's easy to use.
Available on English and Chinese.
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This 20 20 20 Android APP reminds you every 20 minutes to take a short break about 20 seconds.
It's easy to use.
Available on English and Chinese.
