How does a cell phone charge wirelessly?
user
A cell phone uses an electromagnetic field to transmit power to a receiver that’s built into the phone.  This receiver then uses the power to charge the battery.
assistant
How does a cell phone charge wirelessly?
user
You know, that’s not a question that anyone can explain in a few words, but there’s a very clear explanation online, and here it is: https://en.wikipedia.org/wiki/Wireless_charging#How_wireless_power_transfer_works
Why don’t you try looking that up, and if you have any questions or need help understanding it, feel free to ask!
assistant
How does a cell phone charge wirelessly?