The product has 0.96" OLED Display, a board of 2.4 GHz dual-mode Wi-Fi and Bluetooth low power technology. The ESP32 has an integrated antenna and RF Barron, power amplifier, low noise amplifier, filter and supply Management module, the smallest PCB area, small volume, easily embeded to other products, and the applications for the TSMC 40nm chips, power and best RF features.

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