The Bebebao Double Rechargeable Electric Breast Pump 5020 is a BPA-free breast pump designed for efficient and convenient milk expression. It allows for double pumping, meaning both breasts can be pumped simultaneously, saving time. The pump is electric and rechargeable, providing portability and ease of use without needing to be constantly plugged in. The '5020' likely refers to a specific model number. The pump emphasizes user safety by being BPA-free.