XiXi Shop Heating Temperature: 40Battery Type: 3.7V 1200mAh Rechargeable BatteryVibration Intensity:3 Adjustable Intensity LevelsFully Charged: about 2.5HMaterial: PU+Cotton & LinenFeatures:1.Ergonomic 3D 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 will help relieve breast muscle and stimulate chest acupoints to promote the secondary development of the chest, easily making the breasts firmer and plumper.3.Infrared heating hot compress care at around 40 can accelerate the blood circulation and enhance cell vitality for healthier breast condition.4.The elastic fastening strap 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-in 3.7V 1200mAh rechargeable battery can be fully charged by about 2.5 hours, you can access power directly by a PC/laptop, power bank, adapter and more, ideal for enlarging and beautifying the breasts anytime and anywhere. Specifications Material: PU+Cotton & LinenPackage Included:1 * Electric breast massager1 *Instructions1 *Data cableNote:1. Please allow 0.5-1cm error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual colour of the item. Thanks for your understanding