Features1Three head replacements, round head massage head, hairless massage head, and toothbrush head can be replaced according to actual needs. 2It can be used as an oral muscle training device or a toothbrush, which is convenient to use. 3Massage acupoints in the mouth, strengthen the strength of the oral muscles, train the flexibility and stability of the tongue, and prevent salivation in the mouth, slurred teeth, and dysphagia. 4This product is small and light, with one?button operation, easy to use. 5For oral perception massage rehabilitation, massage around the oral cavity to strengthen muscle strength.SpecificationCondition:100% Brand New Item Type: Tongue Muscle Recovery DeviceMaterial: ABS PlasticBattery Type: 1 x AAA battery (not included)How to use: Unscrew the lower section of the body to the right, insert a AAA battery, put on the cover, press the switch, or change the head, and use different functionsUse range:Massage oral acupuncture points, salivation in the mouth, slurred teeth, and swallowing disordersChildren and adults over three years oldThe electric massager is used for oral perception massage rehabilitation, massage around the oral cavity, strengthen muscle strengthPackage List1 x Oral Massage Stick 1 x Hairless Brush Head 1 x Toothbrush Head 1 x Round Massage Head