Item Type: Tongue Tip Exercise Set Material: ABS, Silicone Battery: Lithium Battery 800mAh (Included) Intended Use: Suitable for tongue muscle, swallowing function training massage use. Advantages: 1. Have a saliva collector 2. Water gas filtration 3. Prevent slip suction nozzle 4. Easy to carry with charging 5. 3 gear control 6. Single valve in the suction nozzle, no continuous suction 7. Medical grade silicone nozzle is safe and hygienic 8. Electric negative pressure pump suction is large 1Improve Speech: Tongue tip exercise set can improve stiff tongue, mouth watering, difficulty swallowing, improve the speed of speech. 2Tongue Training: Oral mouth trainer kit can exercise tongue control ability, which can effectively build tongue muscle strength and flexibility. 3Included: Lips tongue muscle trainer with 3 suction nozzle and cotton sheet, used for tongue movement limitation and tongue muscle weakness. 4Increase Chewing: Tongue muscle training tool can exercise the flexibility of jaw movement and increase the power of biting and chewing. 5Widely Use: Tongue muscle perceiving trainer tool is suitable for tongue muscle, swallowing function and oral training massage use. 1 x Main Machine 3 x Suction Nozzle 1 x UBS Wire 3 x Rubber Ring 60 x Cotton Sheet 1 x Storage Box