Yamaha Music Square (GIRHOMA) - The Yamaha UX16 USB MIDI Interface supports up to 16 MIDI channels with one MIDI in and one MIDI out port. The integrated 24" USB cable and
Yamaha UD-BT01 Wireless Midi Adapter – Thomann United States
Amazon.com: HQRP USB in-Out MIDI Interface Cable Converter PC to Music Keyboard Adapter Cord Works with Yamaha PSR-225GM 61 Key Educational Keyboard : Musical Instruments
Amazon.com: Yamaha Wireless USB to Host MIDI Adapter : Musical Instruments
YAMAHA UX16 USB MIDI Interface Cable Cord PC Mac Adapter Compatible used | eBay
Yamaha 4.9' USB to Apple 30-Pin MIDI Interface Cable I-UX1 B&H
Yamaha UX16 USB MIDI Interface Cable for keyboard to computer - 2 x 4 | Mass Street Music