1. Upgrade turbofan blades to effectively collect wind and multiply air flow. 2. Double battery design, long life. 3. Three-speed wind speed adjustment, one key switch, the wind is in your control. 4. Food grade silicone hose, ergonomic design, can be worn without binding. 5. The turbine fan head is rotated 90 degrees to meet the needs of multi-directional fresh air.
