1. OTG to Midi Cable has USB charging connector. You can charge your iOS devices (CAN NOT charge USB-B device) while you play, and you don’t have to worry about power off when you playing music.2. With this MIDI cable adapter, you can play electronic organ, electronic drum, and other MIDI instruments using APPs such as - FL Studio/ Adobe Audition / Cubase / Garage Band / ProTools / Muto DP / Cool Edit Pro / Live 9 / Logic Pro / Simplitude / Studio One / Everyone Piano / Reason, etc. It is the best choice for fans of various electronic musical instruments.3. Type-B MIDI cable adopt the upgraded original chip which guarantees this adapter truly supports all your ios devices, ensure the signal synchronous transmission, no delay when you playing music with your friends, deliver the highest possible audio quality. Even if the iOS system is upgraded, you can continue to use it.4. In order to improve the using life of this cable, we used high-quality wire, multi-layer protection design, input signal without delay stability, enjoy fast and stable data transmission. Providing flawlessly music transmission and high quality sound. Ensure this Type-B OTG cable gives you the cleanest sound experience.5. This MIDI adapter is very easy to use, your instruments coming with the Type-B / USB-B port, plug and play with your ios devices, just connect this cable to the electronic music equipment, you can easily play keyboard / drum / MIDI instruments, without any settings and no need to install a driver or external power, then you can enjoy the playing music.6. Description: Directly connect to your iOS devices to the music instrument, Electric piano, electric drum and MIDI instrument.Real-time response from midi keyboard to iOS devices, enjoy fast and stable data transmission. Enjoy yourself at music!7. Material: plastic, metal connector8. NOTE:- Please confirm your device supports otg function before purchase.- Please make sure that your iOS devices is updated at least IOS 10.3.2.- If it would not work, please download the Music Studio app.- It can not connect to the printer.