This device was physically difficult to install, and further difficult to get my computer and running log programs to recognize.

This is an excellent device, but it very small

Fantastic little device that worked straight away with no fuss.

Great device.

Excellent device for those requiring the Ant + signal.

Amazing how useful this little device is for indoor cycle training

I believe this is a seller putting defective devices for sale

Just happy I found usb for my vitofit, now I can make changes to my profile and the changes automatically update when I sync my device as well as I receive the latest updates.

This device works great with my Garmin Vivosmart HR and LG G4 during cycling outings.

It appears that this device is NOT compatible with my Garmin Edge 510.

Device works as advertised.