Description: 3 Working Modes: 3 modes and 9 suctiong level .1.Massage : massage breast to achieve the purpose of breast milk secretion. 2.True Suckling : simulated suckling of baby inhaling,stopping and putting. 3.Mixed :emptying milk. Material:PP polyethylene material is free from bisphenol,healthy and safe.360 degree all round wrapping of the breast, natural fit, soft and skin friendly, suitable for a variety of breast shapes. Wearable Device:Double Electric Breast Pump,can be weared inside your bra, hands free,allowing breast milk to be discharged smoothly and more comfort for Mom, which gives fresher breastmilk to baby, and more sleeping time for dear mom. Mute Design:Super quiet motor,low vibration,low noise,not to disturb the baby,quiet,peace of mind. Lightweight and portable: Single and bilateral switch freely,small volume and large capacity.Large capacity lithium battery, long standby time. Specification: Material: PP Polyethylene Rated current: 1200mA Power: 5W Size Chart: 11.5x8.14cm/4.53x3.20inch Package Includes: 1x Host (with lithium battery) 1 xTee 1x Silicone cylinder 1x Suction bra 2x Duckbill valve (1 is spare) 1x Cup 1xDust Bag 1x USB Power Cable 1x Manual Note: 1. This is not infant toy , please take away from kids to avoid eating. 2. Please allow slightly error due to manual measurement. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 4. Wish you a wonderful on line shopping!