Electric : Yes<br>High-concerned chemical : None<br>Fan Rib Material : Plastic<br>Fan Covering Material : Plastic<br>Is Foldable : Yes<br>Number of Fan Ribs : 1<br>Origin : Mainland China<br>Fan blade material : plastics<br>additional function : Digital shaking head<br>Motor type : Brushless Motor<br>Shell technology : ABS<br>noise : 36dB (A) -45dB (A) (inclusive)<br>Is there a built-in battery : built-in battery<br>Built in battery capacity : 2000mAh-4000mAh (inclusive)<br>Packaging volume : 162*97*198mm<br>Net weight : 498g<br>Power supply mode : lithium battery<br>outline dimension : 156*74*345mm<br>Does it come with USB : correct<br>Number of fan blades : 6 pieces or more<br>Wind speed gear : 100 levels<br>Duration of battery life : 8-12 (inclusive)<br>Fan classification : Octopus fan<br>operating mode : Touch based<br>