Unlike Pangao's Magic Massage Bra, these bizarre little inserts support (cough) almost any bra to "quickly improve, firm and increase your bust". Apparently, "just a half hour per day" is all that's required to see results.
$15.17 AUD (plus $7.79 AUD shipping) gets you two battery-powered inserts.
Features from the site:
* Quickly improve, firm and increase your bust. * Electronic Breast Enhancer Enlargement Massager Vibration. * Inserts Breast Massager into your bra and gently massage your breasts to against age and gravity to help your breasts healthy. * Most women wear Electronic Breast Enhancer at home, initially, just a half hour per day and then as required by seeing the results. * The soft vibration was enjoyable for the women who have trailed the bra insert, which is have a small battery powered device built into it. ( each piece only powered by a AG13 cell ) * Dimensions: 9.3 x 4 x 0.4cm * Color: picture show * Weight: 119.9g