1. Ergonomic3D curved design can scientifically fix the breast in a specific position with close-fitting wear comfort and 360 degrees wide-area wrapping. 2. Life-stimulation vibration massage help relieve breast muscle and stimulate chest acupoints to promote the secondary development of the chest, easily making the breasts and plumper. 3. Infrared heatinghot compress care at around 40℃ can acceleratethe blood circulationandenhance cell vitalityfor healthier breast condition. 4. The elasticfasteningstrap can widely suit different types of body with snugly fit, and the breathable and smooth fabric delivers skin-friendly touch feelings for all season use. 5. Built-in3.7V 1200mAhrechargeable battery can be fully by about 2.5 hours, you can access power directly bya PC/laptop, powerbank, adapter and more, ideal for enlarging and beautifying the breasts anytime and anywhere. Vibration Intensity: 5 Adjustable Intensity Levels Heating Temperature: 40℃ Battery Type: 3.7V 1200mAh Rechargeable Battery Fully : about 2.5H Noise: 20-40dB Nominal Voltage: 4V Rated Power: 5W Colour:Silver Gray Material:PU leather Package Contents: 1 * Electric Breast Massager 1 * USB Cable 1 * English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.