After use, it's a real crap! unable to return to the correct minimum sound on an amp HI FI I know this is not the same type of product, but at this point, at this price, the exorbitant price of shipping, mocked the world ! In addition, according to the "documentation" yes quotation marks, because the translation is "fun" the burden of each device does what normally 4 pm with LED extinction when loaded unfortunately .... after 12 hours of charging the transmitter, the LED remains lit .. desperately bad luck !:
