Compact and Powerful: The ESP32 C3 Mini Development Board is equipped with a high-performance ESP32 C3 chip, providing robust connectivity and computational power. Vibrant Display: Features a 1.44-inch LCD screen using the ST7735 driver, perfect for creating portable mini TVs or interactive wearable devices. Advanced Graphics: Supports LVGL for creating stunning visual interfaces, enhancing user interaction. Flexible Connectivity: Utilizes SPI interface for fast data fer and connectivity with other peripherals and sensors. Portable Design: Its small form factor makes it ideal for wearable applications, easily attachable as a pendant or integrated into custom projects. Additionally, it can connect to WiFi to display the current weather and time, providing convenience in your daily life. Its distinctive design allows it to be not just a desktop decoration but also a portable pendant, allowing you to showcase your personality and taste whether you are on the subway or on the street. Power supply: 5V Display driver interface: SPI Screen driver IC: ST7735S Screen resolution: 128x128 Compatible battery type: 3.7V lithium battery with 1.27mm plug(This kit is shipped without batteries) Main control: ESP32 C3 with WiFi and Bluetooth capability. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Color: Black Material: plastic+metal Package Contents: 1 * Portable Display Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.