The Cimilre E1 Portable Breast Pump is designed for busy moms who are always on the go. It's super compact and ultra-portable, small enough to fit in your pocket or bag. With a built-in rechargeable battery, you can pump anywhere, whether you're at home, at work, or on the road. The pump has simple buttons and an LED screen, making it easy to adjust the suction levels in both Massage and Expression Modes for optimal comfort and milk flow. It comes with everything you need to get started, including a breast pump motor, USB-C cable, tubing, breast shields, valves, backflow protectors, and bottles. The pump is lightweight, weighing only 0.37 pounds, and has a compact size of 8 in x 9.5 in x 6.25 in. It operates on DC 5V, 2A and has a power consumption of 0.4 A. The noise level is less than 45 dB, so you can pump quietly. The suction levels in Massage Mode range from 1-5, and in Expression Mode from 1-10. The cycle speeds in Massage Mode are fixed at 49-86, and in Expression Mode at 25-86. The pump comes with a 2-year limited warranty on the motor and 90 days on other parts.