https://coolsleeppicks.com/product/B0H7JCLCDL
Bed Fan Under Sheets, Rechargeable Cordless Cooling Fan for Night Sweats, Adjustable 8.6-20.8, Up...
A cordless fan that slides under the sheets to move air through the bed rather than blowing directly on the sleeper, built around a large rechargeable battery...
under sheetsnight sweatsbedfanrechargeable