Feature: 1. Face Slimming:Oral muscle trainer fights wrinkles around the lips and helps shape the overall appearance of the face, which can make your face slimming. 2. Improve Mouth Breathing: Oral muscle trainer can improve the strength of oral muscle, improve the closure of mouth, have a effect for reduce mouth breathing. 3. Remove Sagging Skin: Mouth exerciser massager can keep your face youthful by putting more strain on your facial muscles and improve facial skin relaxation. 4. Widely Use: Lip trainer is simple to use, doing mouth exercises for 3 minutes a day whether in front of the mirror, in the shower or at any other convenient time. 5. ABS Material: Mouth muscle massager made of ABS material, safe and sturdy, can be used as a your friends, which allow you can use at ease. How to Use: 1. Cover the braces with your upper and lower lips and close your lips. Bite your molars and move only your lips and chin. 2. Braces should be between your teeth and your lips. Don't bite things with your teeth. 3. It is recommended to exercise for 35 minutes at a time, 34 times a day. 4. The strength of training closure can be adjusted by changing the spring of different thickness. This product is equipped with a spring with resistance, resistance according to the individual adaption strength is different. 5. The initial setting is minimum spri

ABS Material: Mouth muscle massager made of ABS material, safe and sturdy, can be used as a your friends, which allow you can use at ease. Widely Use: Lip trainer is simple to use, doing mouth exercises for 3 minutes a day whether in front of the mirror, in the shower or at any other convenient time. Remove Sagging Skin: Mouth exerciser massager can keep your face youthful by putting more strain on your facial muscles and improve facial skin relaxation. Improve Mouth Breathing: Oral muscle trainer can improve the strength of oral muscle, improve the closure of mouth, have a effect for reduce mouth breathing. Face Slimming:Oral muscle trainer fights wrinkles around the lips and helps shape the overall appearance of the face, which can make your face slimming. 100% Unknown.