Lost Right Airpod & It's Dead

I last used my right airpod on wednesday & fell asleep with it in but when I woke up Thursday I showered & washed my bedding didn't find it. Checked my entire room & retraced my steps & nothing. Can't use the Find My app because it's most likely dead since the app won't play the pings. I've been looking since yesterday night & this morning but nothing. However my apple watch just notified me that my right airpod was just seen but didn't say where or how to locate it what do i do?