The clock came true Amazon very punctual and when unpacking I noticed first that the clock is very easy and comfortable to wear. First of reading a bit in the instruction and then just try to try the motto of error. The main functions of compass and thermometer are very easy to use, as the main features are the two right large red buttons on the clock. The thermometer shows Dia different values and which can never be exactly at a wristwatch. I will also readjust again, possibly the display is then accurately. Overall I am very pleased with the clock and now the robustness must when weekly sauna and various craft activities show. Would not buy again at any time according to the current state of the clock experience. Possibly more experiences follow: