Yes, as long as you are able to hear tones played through a speaker, via hearing technology (such as hearing aids or cochlear implants).
If you have experienced any of the following in the last 3 months, please visit a healthcare professional prior to using Duo: pain, pressure, or fullness in either ear, pulsatile tinnitus (like your tinnitus has a heartbeat), vertigo (dizziness), Ménière’s disease, significant or sudden changes in hearing, moderate or severe hearing loss.