Details: 1. Material: PP 2. Weight: about 400g/set 3. Dimensions: the host is about 10x10x4.5 cm, the bottle is about 19x8x6.5 cm 4. Power supply mode: USB interface 5. Gear adjustment: 12 gears adjustable Features: 1. Food grade material, non-toxic and odorless 2. Gas-liquid separation, anti-backflow design to prevent secondary pollution 3. Touch the button, dual mode (lactation/suction mode) to meet different needs 4. Dual frequency breast pumping mode, gentle massage, comfortable milk secretion 5. Free switching between single and bilateral 6. USB to interface, multiple power supply modes
