1. Wearable and efficient hands-free breast pump, making breast pumping fast, efficient and easy
2. Lightweight, invisible wear design, low noise, easy and convenient pumping at home, work or travel
3. Equipped with LED display to provide accurate measurement and timing
4. 90 minutes of use per charge. Device safety features automatically stop after 20 minutes of use, protecting breasts and milk supply.
5. Made of food-grade silicone and PP (BPA-free), soft and skin-friendly. Provide safe and pure breastfeeding for you and your baby.
6. The S21 design includes 3 modes (massage, pumping and automatic), each with 12 different suction levels.

Parameter:
1. Battery capacity: 1000mAh
2. Bra size: 27mm/24mm optional
3. Storage capacity: greater than 150ml
4. Negative pressure value: max. 260-280mmHg
5. Mode: Auto/Massage/Expression
6. Adjustment gear: 12 levels adjustable
7. Operating voltage: DC5V 1A
8. Rated power: 4W
9. Charging interface: USB Type-C
10. Charging time: about 2.5 hours
11. Usage time: about 90 minutes
12. Automatic shutdown time: Automatic shutdown in 20 minutes
13. Net weight: 230g
14. Body size: 122 x 110 x 68mm