Standard Arduino boards tend to run at 5v signal, but many modern devices such as the ESP32 seem to commonly run at 3.3v. Here's the link to the Best Practices guide Notice when wiring it up, that there is a side with DIN for your signal line input.
10x NeoPixel compatible RGB LED stick / strip : 8 RGB LEDs WS2812B
NeoPixel compatible RGB LED stick / strip : 8 RGB LEDs WS2812B 5050
???????? NeoPixel-compatible flexible 8x32 addressable RGB LED array WS2812B matrix
???????? NeoPixel-compatible flexible 16x16 addressable RGB LED array WS2812B matrix
???????? 241 WS2812B addressable RGB NeoPixel-compatible LED rings, 172mm circle
???????? 93 WS2812B addressable RGB NeoPixel-compatible LEDs on rings, 110mm circle