Interelectronica Customer Service Department 345 Jackson Road, Baltimore, MD 23770 Date: Dear Sir, I purchased a set of earphones at your store three days ago.According to your promotional material, any item that is faulty and is returned within 24 hours, is fully refunded and a discount voucher is offered for future purchases, as a courtesy to the customer.attempted to use my earphones the day I purchased them and found out that one of the cables had not been connected.