This Tommee Tippee wearable breast pump is designed to sit comfortably under your clothing, so you can carry on with your day. The ConstantComfort technology feels like natural suckling - that means it's an effective way to express milk. The Tommee Tippee Smart app acts as a remote control, letting you adjust settings as well as track your sessions. You can even see how full your bottle is without ever touching the pump - that's handy! Good to know - It's compatible with Closer to Nature screw rings and teats (sold separately) so the 150 ml bottles make for fuss-free feeding times with your little one - A light guide helps you with aligning and positioning the pump, even in the dark - Pop in the USB cable to charge and you'll have 4 hours of pumping time at your fingertips