product description Product name: Electric toothbrush Product Model: 104153 Material: ABS Product Color: White/Pink/Blue Charging model: five-speed speed regulation Product material: body ABS Body weight: 100g (including base) Voltage: 1.5V Power: 2W Battery Capacity: 500mAh Product size: 5.8x23cm (plus the total length of the brush head is about 23cm, the handle is 2.8x2.1x16.5cm, the base is 5.8cm, and the length of the charging cable is about 42cm) (One set + 1 replacement toothbrush head) Packing size: 20.8x9.2x4cm, 0.15kg Features: The brush head makes the toothpaste foam penetrate deep into the gap between the teeth through high-frequency vibration to deeply clean the mouth; Soft and slender bristles fit the curve of the mouth and protect the gums safely and without damage; Lightweight and portable, it is not tired to hold, making brushing easy and comfortable; Five vibration modes clean, sensitize, maage, improve various oral problems: Clean: Clean mode, remove tartar, suitable for daily use by ordinary people; Polish: Polishing mode, grinding the tooth surface to make the teeth clean and bright; White: Brightening mode, improve all kinds of stubborn stains, make teeth healthy and white; Gum care: Nursing mode, gum maage, enjoy oral SPA; Sensitive: Gentle care to relieve bleeding teeth. Whole body waterproof design, the body can withstand water washing; Two-minute timing, 30-second pause prompts to change the brushing area; How to install the brush head: Insert the brush head on the right side of the bump on the back of the toothbrush, then turn it slightly to the left so that the buckle snaps into place. [Do not insert directly at the snap position] How to remove the brush head: first rotate the brush head until the buckle is released, and then pull it out. The red light flashes when the battery is low, and the red light is on when charging Pre and hold for three seconds to power on, short pre to switch modes, long pre for three seconds to power off Note : There are some gaps between the brush head and the main body of the toothbrush, which is required for the normal operation of the toothbrush head and does not affect waterproofing To achieve better brushing results, it is recommended to replace the brush head every 3 months. It is also recommended to replace the brush head when the bristles begin to bend outward