Features1Full Breast: Electric chest massager can speed up the movement of your breast muscles and makes your breasts look fuller and more beautiful. 2Deep Massage: Breast vacuum massager with automatic suction and release massage, deep massage chest, improve sagging and relaxation chest. 3Improve Elasticity: Vacuum breast massager can improve the elasticity and tension of the breast, and help to make breast skin more delicate and elastic. 4Acupoints Massage: Electric breast vacuum machine can accurately massage your acupoints to lift up and tighten your breast, preventing sagging chest. 5Multifunction: Chest beauty vacuum machine helps solve poor development of your breast, also promotes relaxation, sagging, shrinking breasts recovery plump.SpecificationItem Type: Breast Massage MachineMaterial: ABSBattery: Lithium Battery 1500mAH(Included) Automatic Shutdown Time: 10 minutes How To Use:1. Please take a bath first, so that breast skin can be fully washed, improve metabolism for the best effect.2. Listen to music or take a proper rest, so that the body, mind and skin can be fully relaxed, and then begin breast care.3. Charge the instrument for about 4 hours, and the indicator light will flash green when charging, and green light steady on when full charged.4. Press the "start/stop", then adjust the "mode" and use the "+" and "-" to adjust the strength, such as suction on the chest is tight, then decrease one gear,(at this time feel a suction and release, is the best condition to beauty chest) emergency state can use "urgent release" to rapid relief pressure.5. After using this product, keep it properly. If it is not used for a long time, please charge it, wipe it clean, and then keep it.Package List1 x Catheter 2 x Cups 1 x USB Cable 1 x Chest Massager 2 x Rubber Rings