A. Specifications: - Function: It can be connected to microphones, microphone interfaces, and electronic piano interfaces. - Compatible models: iPhone X / 8 / 8 Plus, 7 / 7 Plus, 6 / 6S / 6 Plus / 6S Plus, iPad 4, iPad Air. - Length: 1 meter / 3.3 feet. B. Usage method: - Simply connect your iPhone and insert it into the adapter port, then you can connect devices such as mobile phones, microphones, and electronic pianos. Connect this Lightning interface to the electronic keyboard, and you can play the electronic piano, drums, and MIDI instruments. It's fun for people, and learning the piano can be easy and enjoyable. C. Bring convenience to your life: - By using this Lightning cable to connect electronic music devices, you can play the electronic piano, electronic drums, and USB 2.0 instruments with your friends without additional cables. It is small in size and light in weight, making it easy to carry. It is plug - and - play without the need for drivers, allowing you to enjoy music. D. Package contents: - 1 Type - B MIDI keyboard conversion cable. E. Precautions: - Due to manual measurement, a tolerance of 1 - 3 cm is allowed. - Due to differences in light and screens, the color of the product may vary from the picture.