Miscellaneous Electronics
Waveshare 4inch DSI LCD, Circular Capacitive Touch Screen, 720 x 720 Pixels, 60Hz, 170° Visual Angle IPS Display Panel, up to 10-touch, compatible with Raspberry Pi, Fits RPi 4B/3B+/3A+/CM3/CM3+/CM4
When used with Raspberry Pi, compatible with Raspberry Pi OS with ten touch (requires driver installation). Compatible with Raspberry Pi 4B/3B+/3A+, but some CM3/3+/4 expansion boards require additional adapter cables. Provide Raspberry Pi OS driver...
https://www.bizrate.co.uk/miscellaneouselectronics/waveshare-4inch-dsi-lcd-circular-oid25236670493.html