Specially optimized algorithm firmware enhances the hashrate to 1000KH/s, increasing 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 BLE connectivity. Standalone operation: functions as a BTC lottery miner directly over WiFi without requiring an external computer. Embedded design offers 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: Slight fluctuations may occur. Variations between production batches may result in minor differences in appearance, which 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 colors cannot be requested) Only the above items are included; other products are not included. Note: Light reflection and differences in display screens may cause slight variations in the item's color as seen in images. Measurement error allowance is +/- 1-3 cm.