※The first photo is from the manufacturer's product page. This is a USB rechargeable, lightweight (approx. 40g) neck-worn ion generator that operates continuously for 40-50 hours. I purchased it during the COVID-19 pandemic, but haven't used it recently, so I'm putting it up for sale. Please check the photos for minor scratches from use. Operation has been confirmed. - Model Name: PS3WT - Made in: Japan - Charging Method: USB Rechargeable - Continuous Operation Time: 40-50 hours - Weight: Approx. 40g - How to Use: Wear around the neck Manufacturer's product page: https://daisaku-ec.net/puresupply_ps3wt.html Thank you for looking.