specification: Item Type: Oral Irrigator_x000D_Material: Silicone, Stainless Steel, ABS _x000D_Battery: Built-in lithium battery_x000D_Battery Capacity 500mAh_x000D_Charging Mode: USB charging mode_x000D_Sound Waves Vibration Frequency: 31000/MIN_x000D_Using Step_x000D_1. Press the power button to open the device and select the appropriate gear position_x000D_2. Look in the mirror and gently apply the metal tip to the tooth area._x000D_3. The device pauses for 1 second every 30 seconds and automatically shuts down after 3 minutes.Flush and clean equipment with water after use _x000D__x000D_Use of cleaning tips:_x000D_Dental cleaner, pointed head is mainly used to clean the gaps between teeth, flat head is mainly used to clean the surface of tooth stains.When necessary, choose the appropriate cleaning head, can be rotated left and right to remove the cleaning head can be changed into a toothbrush and face cleaning brush head._x000D__x000D_Charging:_x000D_Take out the USB charging cable of the product, insert one end of the round port into the charging port of the machine, and insert the other end into the product to start charging.The working light flashes white when charging, and the white light stops flashing after charging. Features: 1One?button operation, three gears can be adjusted, and the lighting can better illuminate the inside of the mouth. 2Can be used as a tooth cleaner and a toothbrush. It also comes with a facebrush head to meet all your requirements. 3Equipped with tooth cleaner and toothbrush head, can be replaced at any time, and change the function. 4Light design and mouth mirror makes oral cavity cleaning without dead angle. 53 Kinds of strength adjustment, feel comfortable, easy to operate, comprehensive cleaning for all parts of oral cavity. PackageList: 1 x Oral Irrigator 1 x Oral Irrigator Tip 2 x Toothbrush Head 1 x Face Brush Head 1 x Mouth Mirror 1 x Manual 1 x Charging Cable