It's been about two years that I use.
I especially like the possibility to make it speak. It's not a gimmick: a can more easily is one o the extent. Only small BMOL is in English and you can not change the language. Nothing dramatic.
There is nothing I drang in this device that seems extraordinary. One can even opt for Systmes measuring up.
A thread used to fasten on one foot.
Batteries or power supply sector.
Output Jack.
In the past I possdais of DIFFERENT kinds of mtronomes but it is really better. Counting voice made the difference.
I would do this choice. I saw nothing better.