bigborn 12V flat high power fan set RD9220H 1S

Catalog number: RD9220H Features: ●Flat design that does not protrude from the clothing. Uses: ●For cooling clothing. Specifications: ●Type: Flat fan ●Maximum air volume: Approximately 4.1 m3/min (when driven at 12 V) (approximately 68.3 L/sec) *Notation when using the 2022 model RD9290J ●Battery usage time: Approximately 4.5 hours (when using 12 V high) Approximately 9 hours (when using 9 V medium) Approximately 22 hours (when using 6 V low) *Notation when using the 2022 model RD9290J ●Set contents: 2 fans, 1 fan cable ●Continuous operation for approximately 4.5 hours (when using the "high" battery) *Operating time may vary depending on various conditions such as wearing conditions. Set contents/accessories: ●Fans: 2 ●Fan cable: 1 Note: ●Accessories for models before 2019 are not compatible and cannot be used together. ●Compatible with models from 2020 onwards.