2pcs adapter in the package. USB-C Type C to Midi Adapter Converter Lectronic Musical Instrument for Midi Keyboard Phone Tablet Directly Connect to Musical Instruments: Easily connect electronic musical instruments to mobile phones and tablets expand your musical world and enjoy the fun of musical instrument software converterwidely used in electronic pianos electronic organ synthesizers Midi keyboard hand-rolled pianos electric drums etc. Highlights: Small Size Lightweight Easy to go out travel and office packaging. There are two in the package. It is cost-effective and can be kept as a backup. It is strong and durable. Note 1: Musical instrument port: Midi; mobile phone tablet interface Note: Applicable to IOS10.2 and higher versions of the system support system upgrades Android devices need to support OTG function mobile phone/tablet computer. Note 2: If you have inserted a pirated cable before you must restart the electronic musical instrument Pad mobile phone tablet and computer in the above order to reconnect. If it is new you must perform the above steps.