Specially optimized algorithm firmware enhances the arithmetic power to 290KH/s, increasing the probability of winning the lottery by 60%. Specially ESP32-S3FN8 MCU, support Wi-Fi and Bluetooth. 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. Versatile: solo/pool mining. The system supports secure connection if the pool supports it. Colour: White Material: Plastic Note: The printing/appearance from batch to batch, but not affect the use Package Contents: 1 x Nerd Miner Solo Lottery Miner 1 set x accessories (accessory colors are random, no specified colors accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.