Tips of Use: Our USB Type-A interface only compotiable usb 1.0 and 2.0 device; MIDI cable can't use for the device that has USB Type-B interface, can used for the device only with independent midi input and midi output slot. If you want to use it with phone or tablet, you need add a OTG cable (NOT included). Easy to Use and Play -- Our 5 pin midi cable don't need download any app and no extra driver installation. Easy set up, truly plug and play, it will DOESN'T work if you connect the wrong interface. RED light indicators is power, BLUE is signal transfer & connections. Applicable Most of Devices -- The usb-a midi converter supports most of standard MIDI interface devices on the market, such as electronic drum, MIDI keyboards, effects, piano, etc. The midi to usb cord with 5 pin din, well compatible with most computer systems, such as Windows XP, Vista, Win7, Win8, Win10 and OS X operating systems. Fast and Stable Transmission -- The cable converter of USB to MIDI used high-performance FTP processing chip, strong anti-interference to ensure the stability of input signal and without delay, provide fast and stable data transmission, enjoy the happy of music. High-quality Performance -- 1 IN + 1 OUT MIDI interface with 6.5ft line, has 16 MIDI input & output channels, support play at the same time. Colour: black Material: ABS+copper Size: about 2 meters long Package Contents: 2 x USB MIDI Cable