although a bit old piece of technology but it's very very good product for those who takes keeping track of their tempo seriously & want it with least possible effort.
i don't know why KORG haven't improved the line of product with today's advanced technology but still it's something worth buying...
later if KORG wants to work on it, i would recommend the sound to be more clicky than beepy & sort of feedback from jog switch adjustment that where is my tempo currently...