4Pcs 30P Expansion Board Type-C ESP32 Wifi Bluetooth Development Board / ESP32
WiFi: 802.11 b/g/n (802.11n up to 150 Mpbs). Antenna: on-board PCB antenna. Bluetooth: v4.2, BR/EDR/BLE. Due to the light and screen difference, the item's color may be slightly different from the pictures.