In the case of an effective return all mutually received benefits are to be returned. This includes possible usage advantages. In case of deterioration of the products, compensation can be claimed. This does not apply if the deterioration of the products results from their examination as it would have been in a retail store. In addition, you can avoid the obligation to pay compensation by not using the goods as your property and refraining from anything that could reduce their value. For a determination by the proper use of the products you need not pay compensation. Obligations to reimburse payments must be fulfilled within 30 days. The period begins for you with the dispatch of the products and for us with the receive.