H2ofloss Water Flosser Professional Cordless Dental Oral Irrigator - Portable and Rechargeable IPX7 Waterproof Water Flossing for Teeth Cleaning,300ml Reservoir Home and Travel (HF-6)White

2500mAh Lithium Battery can last upto 5 hours, USB interface charging is applicable with power bank, phone charger and PC. etc. More convenient for travel by putting all attachments with oral Irrigator in one Storage Bag.