There have been a string of Oscar de la Renta expansions of late, although the most unexpected comes in the launch of a partnership with rapper Dr. Dre on a pair of lavish designer headphones which double up as earmuffs.

Currently featuring on the “new arrivals” section of the Oscar de la Renta website, the fluffy “luxe silver fox” earmuffs surround a pair of Beats by Dr. Dre headphones.

Retailing at $695, this limited edition item is one of de la Renta’s more extravagant partnerships, compared to the label’s teaming up with US luxury stationery firm Mrs. John L. Strong on items such as note cards, invitations and place cards.

Miansai have unveiled this gorgeous iPhone 4 case made of solid gold. It can be purchased either in yellow or rose gold.

Crafted by hand at Miansai, it can be customized according to the client’s tastes. Every case is engraved with its limited edition number. Price: $10,000.

Prada have released a pair of headphones as part of their travel collection. Priced at $595, they are available online and at select Prada boutiques.

New to Apolis’ Transit Issue travel range is a zippered iPad case, perfectly crafted with German Merino Wool and American leather. Price: $248.

Human Made presents a new iPad/Macbook Air case as part of its F/W 2011 Collection. It features a herringbone wool upper and two-button closure system.

Paul Smith has launched an iPad 2 case that features his trademark stripes printed on calf leather and a purple lined interior.