Can be used, but the charging speed will be very slow, 67w mobile phone charger can be charged 80w mobile phone, 67w charger and support 80w fast charge mobile phone,
They all support the fast charging protocol, even if the protocol is not the same, you can still charge, but the charging speed will not be so fast.
It can be charged with the 67W charger of the Mi 11 pro connected to the 80W wireless charging base, and the maximum charging power is 50W when charging.