The article can not be beat for the price. Supersound, solid stable processing. Battery life a moderate level over 8 hours. Device comes with DPD to the sender "DPD Depot Raunheim". No bill, no service address in Germany claim or send. Thus no guarantee. If Amazon is deposited in China as a customer service address the company LETS. The postage for return in the event of a complaint there are likely ordered the goods value by a multiple übersteigen.Wer this product can only hope that it works and the expectations entspricht.Bedienungsanleitung only in English and very poor. Now it has happened: After 8 months, the battery is gone and can not be recharged. Waiting for days in vain for a response by the seller from China.