S4DW introduction:
1. Capacity: 250ml
2. Rated current: 2000 mA
3. Dimensions: host 107 x 128 mm
4. 4 modes, 16 levels of suction adjustment
5. Intelligent touch-sensitive buttons for easy operation
6. Intelligent memory, large-capacity lithium battery
7. Quiet and low-vibration motor, the speed is up to 6000 rpm, with S-Frame shock absorption structure, low vibration and low noise
8. Double rhythm breast pumping mode, simulating the baby's natural suck
9. Packing list: silicone horn x 2, tee x 2, silicone diaphragm x 2, breast pump main unit x 1, USB charging cable x 1, silicone tube x 2, sealing cap x 2, duckbill valve x 2, set Bra x 2, bilateral joint x 1

S12 introduction:
1. Capacity: 180ml
2. Material: PP
3. Net weight: 220 grams
4. Host size: 63x160x70 mm
5. Double rhythm breast pumping mode, simulating the baby's natural sucking
6. Skin-friendly liquid silicone, fits breasts in all directions without displacement
7. Dual-channel anti-backflow design, charging at any time, suitable for both home and outing
8. LCD liquid crystal display, simple operation, breast pumping timing display / breast pumping mode display
9. 9 gears, multiple gears adjustable
10. Packing list: silicone horn, brassiere, silicone diaphragm, duckbill valve, bra adjustment buckle, tee, Type-C charging cable, host

S9 introduction:
1. Capacity: 250ml
2. Rated current: 1000 mA
3. Battery capacity: 800 mA
4. Weight: 235 grams
5. Dimensions: 145 x 62 x 56 mm
6. Pneumatic pulse air pump, high-frequency micro-vibration, gentle and painless
7. Frequency conversion micro-seismic technology, circulatory stimulation and dredge milk glands
8. Double rhythm breast pumping mode, simulating the baby's natural suck
9. Packing list: silicone horn x 1, tee x 1, silicone diaphragm x 1, breast pump main unit x 1, USB charging cable x 1, bra x 1, duckbill valve x 1, bra adjustment buckle x 2

S10 introduction
1. Material: PP
2. Capacity: 180ml
3. Dimensions: 78 x 150 x 70 mm
4. The all-in-one design eliminates the troubles of external devices and noise, making it easy to pump milk
5. Switch between 5 types of pumping intensity, natural breast milk and soothing massage
6. Dual-channel anti-backflow design, fully separated gas and liquid
7. High frequency micro-vibration to clear the breast, gentle and painless
8. Fits the chest shape and wears invisibly
9. Lightweight and portable, built-in lithium battery, no burden on going out
10. Packing list: host x 1, silicone diaphragm x 1, USB charging cable x 1, bra adjuster x 1, silicone horn x 1, duckbill valve x 1, three-way x 1, and bra x 1