Feature 1ADJUSTABLE SUCTION: You can adjust the strength according to your needs. The strong suction can lift and straighten the nipples very well. 2MULTIPLE SIZES AVAILABLE: Three sizes available, six nipple covers to relax and tighten nipples during massage and improve elasticity. 3RELAXING NIPPLES: This electric nipple corrector requires only 20 to 30 minutes of use per session, eliminating the need for long term daily wear. It satisfies the need to massage, relax and lift the nipples. 4SAFE AND EFFECTIVE: Regular manual nipple correctors require prolonged nipple stretching, which can easily lead to nipple clogging and inflammation. Electric nipple corrector can avoid these problems. 5SUITABLE FOR: For nipple invagination, flat nipples, short nipples, broken nipples, etc. Suitable for young women, postpartum women or men with inverted nipples.Item Type: Electric Nipple CorrectorMaterial: ABSBattery Type: Lithium ion battery (shipped with built in battery)Battery Capacity: 1500mahSuitable for nipple inversion, flat, short, brokenCharacteristics: Low noise, touch LED display . Package List1 x Nipple Corrector1 x USB Charging Cable1 x Instruction Manual6 x Nipple Cover1 x Tube