Sign up for Exclusive Purchase Tips

NO.1 F4 important updates

The new firmware is just released. We have made some important updates in this version. Long press the key button to enter the menu; Double click to exit the swimming mode Improve the dynamic heart rate monitoring Data report of sleep monitoring on F4 This is the main updates, any issues feel free to comment.  

Continue Reading»

DTNO.I Latest News

It’s mainly about DTNO.I related articles and industry trends

We are going to build a Affiliate program, if you are interested in our products, and want to share with your friends, in this situation,you could use our affiliate program– Share and get some commissions
Icey Wong
Marketing

Popular Articals