I bought this as an upgrade to a band 5. Its has a bigger face and sits comfortable on the wrist. The functions are an upgrade and it has a very good battery life between charging, which is excellent.
Has major connectivity issues, requires pairing with phone everyday if you live or work in a wi-fi blackspot, battery is good and 1 charge does last over a week, the data supplied is easy enough to understand and read, good monitoring tool and seems reasonably accurate.