Around 466M people suffer from disabling hearing loss globally, so It can be beneficial for them to cast live audio from the phone back to headphones. Inside the browser with noise reduction & works even offline. (Build as a side project in two days)
Sentien Audio is the audio headset you can wear all day and it does not block your ears. You can control your device through tap, gesture, and voice controls—all on Sentien Audio. Put it on in the morning and forget about wearing it. Just like your wristwatch.