Features: The T Deck is a versatile gadget that provides a user friendly solution for DIY enthusiasts and engineers. Its compact design and efficient data transmission make it perfect for various applications. Pocket size with 2.8inch LCD Development Board 320x240 pixel LCD display, mini keyboard, and ESP32 twocore processor Adopt ESP32-S3FN16R8 TwoCore LX7 microprocessor and support 2.4GHz WIFI and Bluetooth5 Wireless communication Although it is not entirely a phone, you can use your programming knowledge to turn it into a standalone message device or coding software. Specifications: MCU: ESP32-S3FN16R8 TwoCore LX7 microprocessor Wireless communication: 2.4GHz WIFI and Bluetooth5 FlashL 16MB PSRAM: 8MB Onboards function: Trackball, Microphone,Speaker 2.8inch ST7789 LCD Resolution: 320x240 Transceiver: SX1262 Types: A/B/C/D/E/F/G/H A:Black Keyboard 868MHz B: Black Keyboard 915MHz C: Black Keyboard 433MHz D: Black Keyboard Without LoRa E: White Keyboard 868MHz F: White Keyboard 915MHz G: White Keyboard 433MHz H: White Keyboard Without LoRa Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Package includes: 1Set ESP32-S3 2.8in LCD Module