Oral Blast Freshens interdental spaces, tongue, and gums with water flow. Cleansing 3 spray modes allow for personalized care. Also suitable for special care before brushing. Convenient USB charging for use anywhere. Tank capacity: Approximately 200ml This is a new, unopened item, so the operation has not been confirmed. Please purchase only if you understand this. ※Received on 2025.12.19! Unopened, so operation has not been confirmed.