The item in question is identified as a double electric breast pump designed for use by nursing mothers. The breast pump includes two breast flanges, two collection bottles, two built in bottle holders, an AC adapter and tubing. It features 8 adjustable suction settings and 4 adjustable speed settings. The pump may be battery operated or by using the AC adapter.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N021593