Features 1. [Healthy Gums, Healthy You] Your mouth is the gateway to overall health, so keeping your gums healthy is essential. 2. [Gentle Gum Massage] Delivers an optimal combination of pressure and pulsation to remove plaque and food debris from braces and wires. 3. [3 Oral Irrigator Modes] Features 3 modes with pressure settings ranging from 40psi to 140psi for a customized clean. 4. [Large Capacity Water Tank] Detachable 140ml / 4.7oz water tank. Perfect for use at the office, gym, home, or while traveling. 5. [Up to 15 Days of Use] With a 600mAh lithium battery, enjoy up to 15 days of use (twice a day) or 60 minutes of continuous use on a full 3-hour charge. Specification Item Type: Dental Oral Irrigator Shell Material: ABS Water Tank Material: PC Input: DC 5V/1A Output: 3.7V/5W Frequency: 50 / 60HZ Water Tank Type: Detachable Large Capacity 140 ml / 4.7 oz Water Tank Water Pressure Range: 40-140psi Built-in Battery: 600mAh Lithium Battery (Included) Charging Method: Convenient Portable USB Charging Charging Time: 3 Hours Fully Charged Usage Time: 15 Days (Use Twice a Day) or Continuous Use for 60 Minutes Package List 1 x Oral Irrigator 1 x Replaceable Nozzle 1 x USB Charging Cable 1 x Manual