M5Stack K051-B WiFi、WLAN、蓝牙 STAMP-PICO 具有超紧凑设计，配备两个低功耗 Xtensa

Frequency: 2.4 GHz

For Use With: ESP32-PICO-D4

Interface Type: PWM, UART, I2C, I2S

Operating Supply Voltage: 5 V

Protocol - WiFi - 802.11: 802.11 b/g/n

Tool Is For Evaluation Of: ESP32-PICO-D4

Protocol - Bluetooth, BLE - 802.15.1: BLE 4.2