Tips of Use: 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 midi input and midi output slot. If you to use it with phone or , you need a OTG cable (NOT included). Easy to Use and Play -- 5 pin midi cable '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, compatible with most computer , such as Windows XP, Vista, Win7, Win8, Win10 and operating . Fast and Stable Transmission -- The cable converter of USB to MIDI used high-performance processing chip, strong anti-interference to the stability of input signal and without delay, fast and stable data transmission, enjoy the happy of music. High-quality Performance -- 1 IN + 1 OUT MIDI interface with 6.5ft , has 16 MIDI input & output channels, support play at the same time. Colour: black Material: ABS+copper Size: about 2 long Package Contents: 1 * USB MIDI Cable Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.