construction site national standard abs summer lightweight ventilation cooling artifact anti-smashing rechargeable lithium turbine twin fan

helmet type 9500 [2 air duct single fan + brushless motor] with charging cable helmet type 15000 [5 air duct large fan blade + brushless motor] send charging cable helmet 18000 [twin fan + brushless motor] with charging cable helmet 19000 [four fans + brushless motor] charging cable helmet 24000 [four fans + brushless motor] charging cable v-type 18000 [twin fan + brushless motor] with charging cable v-type 19000 [four fans + brushless motor] with charging cable v-type 24000 [four fans + brushless motor] with charging cable v-type 26000 [three fans + air conditioner + bluetooth + brushless motor] send charging cable three-bar 9500 [2 air duct single fan + brushless motor] send charging cable three-bar 15000 [5 air duct single fan + brushless motor] send charging cable three-rib 18000 [twin fan + brushless motor] with charging cable three-rib 19000 [four fans + brushless motor] send charging cable three-rib 24000 [four fans + brushless motor] send charging cable three-rib 26000 [three fans + air conditioner + bluetooth + brushless motor] send charging cable

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