Features1. Through the principle of vibration massage and hot compress, it is comfortable and safe without causing any damage to the chest.2. Promote breast growth, improve flat breasts, sagging breasts, and chest expansion, so that women can restore self-confidence and charm.3. 5 kinds of gears and modes, effective massage of chest acupoints, and scientific nursing of chest.4. Built-in 1200 mAh battery, it is more convenient to use at any time when going out, working and sleeping.5. The button operation is simple to use, intelligent 15-minute timing massage, stick to use, and have a perfect chest shape. Specification1. Name: Chest Massager2. Color: red, pink, purple3. Specifications: rechargeable (built-in battery); plug-in (no battery)4. Gear position: 5 gears5. Mode: 5 kinds6. Battery capacity: 1200 mA7. Charging time: about 4 hours8. Use time: 120 minutes9. Material: PU leather10. Charging interface: micro-usb11. Size: free size Product List:1*Bra1*Elastic shoulder strap1*USB cable1*Instruction