A portable cooling device with a wristband (17) and a cooler arranged on the wristband (17), in which the cooler is designed as an air flow generator (1) for an airflow directed in an exhaust direction of the cooler (1), wherein the airflow generator (1) is arranged in a holder (11) which is fastened or formed to the wristband (17) and which at least has a extension (10) protruding in the exhaust direction, said extension (10) at least located sectionally within the airflow or enclosing the airflow at least sectionally. The invention thus provides a portable cooling device which can be designed to be extremely small and compact and can thus be worn inconspicuously. The device according to the invention is also robust and has a lower power consumption compared to conventional devices.
