Specially optimized algorithm firmware enhances the hashrate to 468KH/s, improving mining performance. Optimized software achieves a higher hashrate of 468KH/s. Standalone: can work as a BTC lottery miner directly over WiFi; no external computer is needed. Embedded: low cost, low maintenance, high availability, high reliability, low power consumption. Versatile: supports solo and pool mining. Color: as shown Material: PCB + Plastic Tips: The product may be updated in different batches; slight variations or color differences may occur, which do not affect functionality. Package Contents: 1 x Solo Lottery Miner 1 x USB Cable (random color, specific color requests cannot be accommodated) Only the above items are included; other products are not included. Note: Lighting effects and display settings may cause slight color differences between the image and the actual item. Measurement error allowance is +/- 1-3 cm.