Introducing the new design, ultra-quiet neck cooler, perfect for combating the heat with 5-level wind speed adjustment. - Model Name: W Fan Yoga sirocco Hands-Free - USB Port: Yes - Features: 5-level wind speed adjustment - Design: New design, ultra-quiet - Purpose: Heat対策 (countermeasure), cooling goods I have confirmed its operation as it was stored at home. Thank you for looking.