The heart rate detection function is really useful.
Because I have a premature heart beat, the GTR Mini provides accurate, real-time heart rate data. The results are clearly displayed on the watch face and can be synchronized with the accompanying a...
I highly recommend this navi r3 !!!
I especially like outdoor mountaineering, but one or more people deep in the mountains, this situation is actually very dangerous, very easy to get lost. Therefore, I bought navi r3 from aolon, whi...
The built-in speaker and microphone are really good.
The Bluetooth call and message reception of this watch is really very good, with its own speaker and microphone, which can be a good way for me to answer the phone while driving, avoiding the dange...