Xiaomi 13 Ultra limited color 16GB+512GB Yellow
Smartphones are great business tools from couple years. You can edit with them office documents such as word (doc) excel (xls) or even adobe (pdf). High resolution screen allows you seen couple applications at once, and high amount of ram allows to keep couple aplications open. Multitasking is not a problem for modern smartphones. Keep eye at the currency rates, stock rates, check your plane flighs schedule or record audit in company branch.