This little cordless rechargeable air pump is perfect for inflating river tubes, pool floats or even a air mattress. I found this on Amazon for under $30. This pump is perfect to bring on vacation to save your lungs and your time from airing up all your floats.

Cordless Pump
https://amzn.to/3X5r0jC

River Tube
https://amzn.to/3CqIUnE