Specially optimized algorithm firmware enhances the hashrate to 1000KH/s. The display turns off after 1 minute without operation and can be reactivated by pressing any key to reduce light pollution. 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 BLE connectivity. Standalone operation: functions as a BTC miner directly over WiFi without requiring an external computer. Embedded design: low cost, low maintenance, high availability, high reliability, and low power consumption. Supports versatile mining options including solo and pool mining. Features an ESP32-S3R8 MCU Wi-Fi microcontroller on board. (Performance may vary slightly between batches; minor printing differences may occur but do not affect functionality.) Color: As shown Material: PCB + Acrylic Package Contents: 1 x Solo Lottery Miner 1 x USB Cable (cable color is random; specific color requests cannot be accommodated) Only the items listed above are included; other products are not included. Note: Lighting conditions and screen settings may cause slight variations in the displayed item color compared to the actual product. Measurement error allowance: +/- 1-3 cm.