M5Stack is the world's first scalable series of micro-controller modules. The core is ESP32. It has Wi-Fi / BLE functionality and integrates 2.0-inch LCD, 1W Speaker, TF card reader, Grove interface, high-performance 3D antenna, battery charging IC, integrated 150 mah lithium battery inside the bottom module, internal bus IO expansion and magnet adsorption.
M5Stack M5StickC+ IoT ESP32 Development Kit
Sale price $2089 $20.89
M5Stack M5StickC ESP32 Mini IoT Development Board Official with Color 0.96 inch TFT Color Screen
Sale price $1494 $14.94
M5Stack M5StickC ESP32 Mini IoT Development Board for Arduino MicroPython and UIFlow Programming
Sale price $1694 $16.94