https://www.glassdoor.com/Reviews/Mio-Technology-Reviews-E134598.htm
The reviews are 5 years old and are not flattering. So you might consider this range on the low end, and adjust upward for inflation
May 5, 2013
“Low salary, not too much opportunity for growth and development”
Jul 17, 2012
“Collapsing under a lack of vision”
And from 2004: