Even a defective copy: I should have read reviews of other buyers ... The concept and the look were nevertheless good. The lamp works when connected to a USB port. But once disconnected, can not relight. Is it only the turquoise series that problem? Y-he-a quality service with Moleskine brand known for its notebooks that at least they are reliable? Positive: Amazon and reimbursement system. I speak not exchange because I believe that I will not take any risk and to acquire a model of another brand.