This ring does exactly as advertised. It measures my erections at night while I’m sleeping and it also measure the length of my erections.

The TechRing is quite the technological advancement in furthering the understanding of male sexual health. I have had it for about six weeks and used it every day through the end of February. The use level was further motivated by the “hardness” challenge that FirmTech initiated. So far, it has been truly educational and after a brief learning period, so easy to use. Only wish that my partner had better success and tolerance for water based lubes since the materials are not compatible with plant oils, coconut oil in particular.