Hardware Specifications
1. Chipset: ESPRESSIF-ESP32-PCIO-D4 240MHz Xtensa single-/dual-core 32-bit LX6 microprocessor
2. FLASH: QSPI flash/SRAM, up to 4 x 16 MB
3. SRAM: 520 kB SRAM
4. KEY: Reset, IO34, IO35, IO39
5. Display: 1.44 /1.8 inch ST7735 LCD TFT display
6. Power indicator lamp: Red
7. USB to TTL: CP2104
8. Modular interface: SD card, UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA pre-amplifier
9. Working voltage: 2.3V-3.6V
10. Working current: About 60mA
11. Sleep current: 1mA
12. Working temperature range: -40 degree C ~ +85 degree C

Power Supply Specifications
1. Power Supply: USB 5V/1A
2. Charging current: 500mA
3. Battery: 3.7V lithium battery(not inlcuded)

Wi-Fi Description
1. Standard: FCC/CE/TELEC/KCC/SRRC/NCC
2. Protocol: 802.11 b/g/n/e/i (802.11n, speed up to150Mbps) A-MPDU and A-MSDU polymerization, support 0.4uS Protection interval
3. Frequency range: 2.4GHz~2.5GHz(2400M~2483.5M)
4. Transmit Power: 22dBm
5. Communication distance: 300m

Bluetooth Description
1. Protocol: Meet bluetooth v4.2BR/EDR and BLE standard
2. Radio frequency: With -98dBm sensitivity NZIF receiver Class-1, Class-2&Class-3 emitter AFH
3. Audio frequency: CVSD&SBC audio frequency

Software specification Description
1. Wifi Mode: Station/SoftAP/SoftAP+Station/P2P
2. Security mechanism: WPA/WPA2/WPA2-Enterprise/WPS
3. Encryption Typ:e AES/RSA/ECC/SHA
4. Frmware upgrade: UART download/OTA, Through network/host to download and write firmware
5. Software Development: Support cloud server development / SDK for user firmware development
6. Networking protocol: IPv4, IPv6, SSL, TCP, UDP, HTTP, FTP, MQTT
7. User Configuration: AT + Instruction set, cloud server, android/iOSapp
OS: FreeRTOS

SST7735 Description
1. Size: 1.8 inch diagonal LCD TFT display
2. Resolution: 128x128/160x80 resolution, 16-bit/18-bit (262,144) color
3. Voltage Onboard: 3.3V at 150mA LDO regulator
4. Bus 5 wire SPI digital interface: CS:16, A0:17, SDA:23, SCK:5, RST:9
5. Dissipation Current draw is based on LED backlight usage: with full backlight draw is ~25mA

Package list
1. TTGO TS ESP32 Module x 1
2. Power cable x 1