Specially optimized algorithm firmware enhances the hashrate to 411 KH/s. The display turns off after 1 minute of inactivity and can be reactivated by pressing any key. Double-clicking the USER key switches the device to desktop clock mode while background operations continue. ESP32-WROOM-32 module with Wi-Fi and Bluetooth LE support. Optimized software achieves a hashrate of 411 KH/s. Standalone operation: connects directly to Wi-Fi without requiring an external computer. Embedded design: low cost, low maintenance, high availability, high reliability, low power consumption. Supports solo and pool mining configurations. ESP32-S3R8 MCU Wi-Fi microcontroller onboard. Master chip: ESP32-WROOM-32 Wi-Fi: 802.11 b/g/n Bluetooth: Bluetooth LE 4.2 Hardware resources: UART, SPI, SDIO, I2C, PWM, I2S, ADC Memory: 384 KB ROM; 512 KB SRAM; 16 KB RTC SRAM; 8 MB SiP Flash Interface: Type-C USB GPIO: 22 Antenna: onboard, 2 dBi gain Product appearance and printed markings may vary slightly by batch, but functionality remains unaffected. Color: As shown Material: PCB + Plastic Package contents: 2 × Solo Miner units 2 × USB cables (cable color varies; no specific color guaranteed) Note: Color representation may vary due to lighting conditions and screen settings. Dimensions are subject to a tolerance of ±1–3 cm.