The display is small and very dark The display is small and very dark, virtually invisible. Therefore there is no use for this instrument. I am very disappointed, and I would return it to you for full refund. Please send me instruction or procedure how to proceed the return

Damaged box marked :Fragile" The box, marked "Fragile", was so damaged that it has been taped to keep the contents inside.

The instructions were a bit poorly… The instructions were a bit poorly written, however the unit is easy to use and let my expectations

My unit doesn’t work My unit doesn’t work. On the heart rate on of the digits partially works. Half of the number is cut off. It constantly beeps as well. I would not buy this again. I am going to email company for refund. Another issue there’s no contact info PD return info in the pamphlets that are with the item. A totally waste of money. I would give it ZERO stars if your rating bar would have given me that option. A 1 is to much. Unit totally unusable!

The unit is very attractive and quiet! The unit is very attractive and seems to work fine. So far, I am impressed with it.