Set of 3 USB-A to Micro USB cables, such as ELECOM DH-AMB12 I previously purchased these to use with a portable amplifier indoors, and I actually used them for several months. (Used only indoors in a smoke-free environment) (1) ELECOM DH-AMB12 AV cable, music transmission A-microB cable, USB 2.0, 1.2m (2) ELECOM microUSB cable for tablets, reverse L-shaped, 2A output, A-microB, USB 2.0, black, 1.2m TB-AMBXR2U12BK (This is the "reverse L-shaped" type, not the "L-shaped" type) (3) No-brand (manufacturer unknown), approximately 1m (measured at approximately 105cm) There are no operational problems, but since they were used, please check the condition in the photos.