The Arley Z4 PLUS is a hospital-grade, hands-free breast pump designed for convenient and discreet milk expression. Its slim fit design ensures comfortable wear, while Bluetooth connectivity allows for app-based control and monitoring of pumping sessions. Marketed as a silent breast pump, it aims to minimize noise during use. It is intended for "Pam Susu Ibu", which translates to "breast milk pumping" in Indonesian, indicating a target audience familiar with that term.