Good control unit for the devices Slenderton

The battery life when fully charged, depending on the program type between sufficiently long and very long. Normally, I charge only every 5-10 workouts again.

The clip connection enables a secure connection with the workouts without the need to worry that the compound dissolves.
Even if accidentally times the unit falls out of his hand remains-is the connection.

The push buttons are easy to use, but require a bit of pressure, but this is gu sher, as this does not constantly verstelllen settings. In addition, there are still a key lock.

The display is easy to read.

Unfortunately, the beeps can not regulate or turn the volume.
In addition, the fast-forward is a little slow, so you have to if you want to set an example of intensity with 75 either push the button for a long time, or even 75 times.
Good but the both sides this time simultaneously adjust and you have therefore only do it once.