| 摘要 |
PROBLEM TO BE SOLVED: To provide inexpensive systems with high efficiency, ease of assembly and compact and weight-saving construction, in contrast to known neck warmers that are limited in functionality or relatively expensive.SOLUTION: The present invention relates to a heater fan 2 for a headrest device 1. The heater fan 2 has at least one air delivery device 20 and at least one heating device 40. |
