Fanny Wang Headphone Co. is wrestling with major fulfillment issues with its custom headphones, iLounge has learned. After ordering a pair of custom Fanny Wang 3001 headphones late last year with a quoted shipment time of 2-3 weeks, we received e-mails indicating first a brief delay, then an additional month of delay. Fanny Wang blamed its manufacturing partner in an e-mail, citing “numerous unforeseen problems and delays with our factory.”…