Keep it universal and inclusive:
“Introducing Gruv Button Technology™! Gruv Button Technology’s™ ergonomic design is a universal design making our hearing aids much more inclusive! It simply helps everyone insert their speakers into their ear canals!
See how the fingertip and fingernail fit in the Gruv Button™ making it so much easier – so much more comfortable – to control and manipulate your speakers so you can gently wiggle them in sufficiently deep into your ear canals.”