Specifications: Voltage: 100-240V AC 50/60Hz Charging Time: 4-5h(adapter is not included) Battery lasts:10-15 days Water Pressure: 20-100PSI Water frequency: 1200/min Tips: 1. When using for the first time, please select the LOW mode. 2. Please put the floss tip into your mouth before the machine starts. 3. Water tank is detachable but it takes a bit effort to remove it at first time. 4. please keep water tank empty after each cleaning.
