Key features:

• 3 modes to suit different conditions of teeth and gums.
• Long battery life one charge lasts above 7 days.
• Upgraded 300 ML detachable water tank 360 ° rotating nozzle
• 2 Minutes Intelligent Control Technology
• 4 hours USB fast charging

Benefits:

• It has A powerful and pulsating high-pressure water jet shoots directly between the teeth to dislodge larger food particle. (1,800 pulses per minute)
• It has a gentle mode that has 1400 times/minute water pulses, suitable for sensitive teeth
• To stimulate and massage the gums with water pulses between 1400~1800 times/minute.
• It has an upgraded 300ml removable water tank used for 90~120 seconds of uninterrupted oral dental flossing. Without filling the water many times.
• With 360° rotating nozzles that are easy to install, it is able to provide thorough cleaning to your teeth.
• Built-in 1400mhA Rechargeable Lithium-Ion Battery:
• Cordless water flosser takes only 4 hours' fully charged with built-in 1400mhA Lithium-Ion Battery, support at least 7days' use
• Flossing Model to Suit All Different Conditions of Teeth and Gums:
• Clean- With 1800 times/minute strong water pulses to remove smaller particles between teeth. 
• Soft - Offers gentle 1400 times/minute pressure to clean sensitive teeth. 
• Massage - With 1400~1800 times/minute to deep clean your teeth and stimulate and massage the gums. 
• Please choose soft mode when you use dental flosser at the first time.