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. Standalone operation: works as a BTC miner directly over WiFi without needing 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. Note: Performance may vary slightly between batches. Printing variations 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; no specific color requests accepted) Only the items listed are included; other products are not included. Note: Lighting and screen differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.