A compact bodynThe sound is very quiet, and imitate baby breastnThere are 5-speed suction can be adjusted, beginning 2 files are lactating modenAC and DC AvailablenBreastfeeding mothers can carry out light, and can be hung on the waist. Quiet no noise.n1. Made of BPA free material. 2. Designed for faster let down and milk flow. 3. 5 suction modes for your choice. Highest suction is 40KPA. 4. Fewer pieces to assemble u0026 clean. 5. Imitating baby??s suction, it can make feeding mother feel more comfortable. 6. Silica gel sucker stimulates galactophore gently and naturally to produce more milk. 7. The soft silica-gel pad massage your breast and avoid pain when expressing milk, healthier and more complete. 8. Anti-backflow Baby Feeding product, Baby Breast Pump 9. Sophisticated and silent motor, low noise 10. AC/DC mode 11??Input voltage 100-240V 50Hz Output Voltage 6V