feature:EASY TO CLEAN AND ASSEMBLE: No wires, no wardrobe changes, no pipes, easy to clean, just three steps to assemble. This design also protects the milk from infection and keeps it fresh. Health and safety are guaranteed.Wearable and hands-free: The breast pump fits inside a standard nursing bra, so you can express completely hands-free anywhere. This electric breast pump can express breast milk at home, at work or on the go.SAFE MATERIALS: All breast pump parts are made of food grade silicone amd PP (BPA free), free of harmful substances. Don't worry about potential chemicals leaching into mom's breast milk. So you can rest assured that breast milk is 100% safe for your baby.Ultra-quiet and USB rechargeable: With solid material, motor noise is controlled below 50dB. A little loud, we know your baby needs uninterrupted good night sleep. With this rechargeable breast pump, you can easily charge it from a power bank, computer or other device anytime, anywhere.Electric breast pump set only, does not include other accessories demonstrations in the picture