The band is pretty much the same in both bras. The 34HH bra has bigger cups.
Comparing a Panache Andorra Full Cup Bra (5675) with Panache Envy Balconnet Bra (7285) in 28F
Panache Womens Andorra Wired Full Cup (5675) Balconette Bra, Pearl, 32H US at Women's Clothing store: Bras
Victoria secret balconnet bra - Gem
Panache Andorra Wire-free Full Cup Bra - Soft Blush - Curvy
Panache Andorra Non Wired Full Cup Bra Warm Taupe – Brastop UK
Panache Womens Andorra Wired Full Cup (5675) Balconette Bra, Pearl, 32H US at Women's Clothing store: Bras
Comparing a 34JJ with 34J in Panache Ariza Balconnet Bra (5051)
Description Uses the UK sizing system. This brand starts with a D cup in most styles, then continues D, DD, E, F, etc. up to a UK K cup. Some styles
Panache Andorra Full Cup Bra in Bluebell FINAL SALE (75% Off)
Panache Envy Balcony Bra Navy
34GG - Panache » Andorra Full Cup Bra (5675)
Victoria secret balconnet bra - Gem
Panache Women's Andorra Balconnet Bra, Vintage Blue, 34DD at Women's Clothing store
Panache Women's Envy Balconnet Lace Bra (7285), Ivory, 28J : : Clothing, Shoes & Accessories
Panache » Andorra Full Cup Bra (5675)
Panache Womens Andorra Wired Full Cup (5675) Balconette Bra, Pearl, 32H US at Women's Clothing store: Bras