Novostella B22 RGB LED Colour WiFi Smart Bulb

https://www.amazon.co.uk/gp/product/B07DN4NLKM?ref_=oh_aui_search_asin_title&psc=1&pldnSite=1

Easily flashed OTA. GPIO is as follows.

GPIO4 = PWM1 GPIO5 = PWM5 GPIO12 = PWM2 GPIO13 = PWM4 GPIO14 = PWM3