Specification: Item Type: Electric Scratch Massage Brush Material: ABS, Zinc Alloy Shape: straight handle type Mode: Vibration mode, Pulse mode, Hot compression mode Gear: 5 gears Battery Type: Lithium Battery Battery capacity: 750 mAh (supplied with built-in battery). Charging time: about 3 hours Charging Type: USB Cable Operating method: From top to bottom, first massage the head, neck, back, waist or abdomen, then the limbs, first massage the left side of the body, then the right side of the body; Head: Use the body brush from the forehead to the back of the head, no need to apply scratching lube, dredge and scratch each part about 30 times until the head feels hot; Neck: Brush from top to bottom, often scrape the neck, which has the effect of preventing disease; Back: Decongest the chest Top to bottom: Brush the midline of the chest from top to bottom with a massage brush. Chest: Both sides are bounded by the renmai in the front midline of the body, and use a brush to scrape left and right (first left and then right) along the ribs from the inside out, being careful to do this to avoid nipples; Abdomen: The abdomen can be dredged from top to bottom (in case of visceral relaxation, it should be dredged from bottom to top), and spiral circles can also be used; Upper Limbs: Clear from top to bottom; lower limbs: clean from bottom to top (i.e. massage in the direction of soiling); Sole: Massage from heel to toe. Package List: 1 host 1x Manual 1 x USB cable 1 x dust cover