1. ADJUSTABLE MODES: This wearable breast pump features 3 modes and 9 adjustable levels to stimulate milk flow effectively. 2. POWERFUL SUCTION: Designed to mimic a baby's natural feeding, it promotes fast milk discharge with strong suction. 3. LED DISPLAY: Equipped with a large LED screen to display the current mode and battery life for user convenience. 4. QUIET OPERATION: With a low noise level of 45-50dB, it allows for discreet use, even at night. 5. COMFORTABLE MATERIAL: Made from high-quality silicone and PP, it is soft and skin-friendly for comfort during use. Specifications: Item Type: Wearable Breast Pump, Material: Silicone, PP, Size: Approx. 11.5 x 8 x 14cm or 4.53 x 3.15 x 5.51in, Functions: Massage and pumping with mixed modes (9 levels each), Battery Type: 18650 rechargeable lithium battery, Capacity: 1200mAh, Power: 5W, Working Time: 2-3 hours per full charge, with 3-4 uses of 30 minutes each.