Effortless Pumping with 3 Modes: Electric breast pump specially designed for breastfeeding.3 modes: massage (12 levels), suction (12 levels) and stimulation (12 levels).Our wearable pumps for breastfeeding is designed to mimic a baby's natural sucking pattern, which helps to optimize milk production, and meets more than 99% of demanding suction needs. Longest Battery Life & Super Quiet: 6-8 Times Used with Longest Battery: Upgraded from 800mAh to 1000mAh, 6-8 times used after fully charging. Noise<45db. The motor is specifically designed for quiet operation, making it easy for you to discreetly pump without worrying about waking your baby. Detachable Milk Collector: Unique removable collector are easier to clean, so moms can spend their feeding life worry-free, no more cleaning hassle. Also equipped with sealing plug for the collector, so that you can store breast milk directly in the fridge or take it with you on the go. Tailored for You: Jheppbay electrical breast pumps with 3 sizes 17/19/21mm, fit for different breast shapes. The pump itself is 27mm. Made of zero BPA food-gradeTritan material (FDA certified), it's safe for you and your baby.