TOMOI Digital Piano 88 Keys Foldable TP88-F3

Purchased on Rakuten Ichiba in December last year for 15,800 yen. I only tried playing it once.
Operation has been confirmed.
All accessories are included.
Although not listed in the manual, a microphone is also included.
A storage bag is also included.

Please feel free to ask if you have any questions.

The following is quoted from the purchase site's description:

Foldable Light Guide, App Compatible, Japanese Language Display
F3 Digital Piano, 88 Keys, Light Guide, Light Navigation
Compact, High Sound Quality, Lightweight, MIDI, Sustain Pedal, Music Stand, Earphones, Key Stickers, Music Score Clip, Japanese Manual, For Beginners, Adults, Children