Product Description： Portable & USB-Powered This lightweight, compact electric breast pump is USB-powered, allowing you to express milk anytime, anywhere. Compatible with power banks, laptops, and adapters via a USB transmission interface, it's ideal for moms on the go. 2 Modes, 9 Suction Levels Switch easily between Massage Mode and Pumping Mode, with 9 adjustable suction levels to suit your comfort and milk flow needs. The massage function stimulates milk flow and relieves breast discomfort. Anti-Backflow & Hygienic Design The closed system with backflow prevention ensures milk stays clean and uncontaminated, preventing it from entering the motor or tubes. Ultra-Quiet Operation With noise levels below 45 dB, this pump provides quiet, discreet use, making it suitable for both day and night without disturbing your baby or others. Comfortable & Gentle Suction The 3D soft silicone cushion gently massages the areola, mimicking baby’s sucking for pain-free, comfortable pumping. Easy to Clean & Assemble Fewer parts for quick disassembly, cleaning, and reassembly — perfect for busy moms. All-in-One Feeding Kit Includes a 150ml milk bottle with leakproof cap and detachable pacifier, so you can pump and feed directly — no need for extra containers. Specifications： Material: PP (BPA-free), Silicone Rated Voltage: 5V/1A Bottle Capacity: 150ml Suction Power: Up to 350 mmHg Noise Level: <45 dB Modes: Pumping Mode Massage Mode Suction Levels: 9 levels Power Supply: USB interface (power bank, laptop, adapter compatible) Package Includes： 2 × Breast Pump 1 × Main Pump Unit 2 × Tubing Loops 1 × 150ml Bottle 1 × Pacifier 1 × USB Charging Cable 1 × User Manual How to Use： Clean all parts except the main unit before first use. Connect via USB to power source. Massage the breast with a warm towel. Place the silicone shield over the nipple for a snug fit. Power on and choose your preferred mode and suction level.