Specially optimized algorithm firmware enhances the hashrate to 411KH/s, improving performance compared to previous models. The display turns off after 1 minute without operation and can be reactivated by pressing any key to reduce light disturbance. Double-clicking the USER key allows switching to desktop clock mode while BTC mining continues in the background. ESP32-WROOM-32 module supports Wi-Fi and Bluetooth Low Energy. Optimized software delivers a hashrate of 411KH/s. Standalone design enables direct BTC mining over Wi-Fi without the need for an external computer. Embedded system features low cost, low maintenance, high availability, high reliability, and low power consumption. Supports versatile mining options including solo and pool mining. Equipped with ESP32-S3R8 MCU Wi-Fi microcontroller. Main chip: ESP32-WROOM-32 Wi-Fi: 802.11 b/g Bluetooth: Bluetooth LE 4.2 Hardware interfaces: UART, SPI, SDIO, I2C, PWM, I2S, ADC Memory: 384KB ROM; 512KB RAM; 16KB SRAM; 8MB SiP Flash Interface: Type-C USB GPIO: 22 Antenna Gain: Board antenna, 2dBi Product appearance and printed text may vary by batch but do not affect functionality. Color: As shown Material: PCB + Plastic Package Contents: 2 x Solo Lottery Miner 2 x USB Cable (cable color is random; no specific color requests accepted) Only the items listed above are included; other products are not included. Note: Lighting conditions and screen settings may cause slight variations in color between the image and the actual item. Measurement tolerance is +/- 1-3cm.