Feature:1. Unique fully open design, easy to clean the water tank, deep cleaning and better care for your oral healthy.2. Can penetrate into the gaps between teeth to remove food residue, soft dirt and remove bad breath. Suitable for most people.3. Can deeply clean the braces and remove food residues near braces and brackets. Suitable for people with braces to use.4. Deep into the tooth gaps for precise cleaning, 240ml capacity of the water tank, high efficiency for cleaning.5. The whole machine starts with one button, three modes can be easily controlled to meet different needs of tooth cleaning.Specification:Item Type: Dental Oral Irrigator,Material: Plastic,Charging Voltage: 3.5 W,Adapter: DC 3.7V,Water Storage Capacity :240 ml,Pressure Range :80-120psi,Pulse Frequency :1400-1800 times/min,Battery :100mAh lithium battery (built-in),Function: Clean gums, clean teeth, prevent tooth caries, effectively remove dental plaque, prevent gingivitis, reduce gingival bleeding.Characteristics:1. High frequency pulse, strong power output, equipped with intelligent stability system, continuous constant force cleaning. Strong power, good endurance. The body is waterproof and not afraid of washing, easy to carry.2. Fully open design, easy to clean the water tank, special internal leakproof design.3. One charge can be used for one week.Recommended approach1. Hold the main engine in an upright position with the tip of the nozzle facing the teeth.2. Please keep the equipment perpendicular to the cleaning part to obtain the best effect.The mouth is slightly open so that the water in the flushing inlet can be set aside.Press the switch button to start flushing.Package List:1 x Host,4 x Nozzle,1 x USB Cable,1 x Manual .