【Product features】 1. Smart wear liberates hands, subverts people's cognition of traditional sucking device 2. Full silicone milk collection cup, no matter the size of the breast can fit 3. Breast sucking / massage mode, 5-gear adjustment 4. The new generation noise reduction technology is lower than the previous generation 5. Sucking milk on both sides can save time,There is a system to prevent backflow. It has built-in historical memory function. 6. USB charging, it takes about 2.5 hours to fully charge and about 80 minutes to fully charge 7. Hands-free，single，New machine。 【Package Contents】 1 x Silicone shield 1 x Linker 1 x Silicone diaphragm 1 x Pump motor 1 x USB cable 1 x Value 1 x Milk collector 1 x Bra adjustment buckle