earphone jack adapter 1.High-quality 2.wont loss sound during the transmission 3.fit for 3.5mm to 2.5mm 4.CE,ROHS earphone jack adapterHigh-quality ,won't loss sound during the transmissionfit for 3.5mm to 2.5mm and 2.5mm to 3.5mmCompact, durable ,If you have any specific requirements ,pls feel free to contact me !. earphone jack adapter