Description
Product Description:
?Hardware Specifications ChipsetESP32, dual-core MCU, PMU power managementFLASHQSPI flash 16MB SRAM 520 KB SRAM / PSRAM 8MBButtonPower key USB to TTLCP2104On-board clock40MHz crystal oscillator Working voltage2.7V-3.6VWorking current Sleep current Working temperature range-40? ~ +85?Weight58.5gDisplay: 1.54 inch LCD capacitive touch screenSensor:BMA423 three-axis accelerometer, built-in step counting algorithm, activity recognition / tracking, advanced gesture recognition.RTC clock:PCF8563Power Supply Specifications Power SupplyMicro USB (5V/1A)Charging currentThe charging current is programmable and self-adjustable (default 350mA)Battery3.7V lithium batteryWi-Fi StandardFCC/CE-RED/IC/TELEC/KCC/SRRC/NCCProtocol802.11 b/g/n(802.11n,speed up to150Mbps)A-MPDU and A-MSDU polymerization,support 0.4?S Protection intervalFrequency range2.4GHz~2.5GHz(2400M~2483.5M)Transmit Power22dBmCommunication distance300mBluetooth ProtocolMeet bluetooth v4.2BR/EDR and BLE standardRadio frequencyWith -97dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFHAudio frequencyCVSD&SBC audio frequencySoftware specification Wi-Fi ModeStation/SoftAP/SoftAP+Station/P2PSecurity mechanism
