Efficient Bitcoin Mining: Experience solo mining with a powerful 310KH/s speed using the Heltec LoRa 32 V3. This compact USB miner is perfect for those looking to mine Bitcoin independently Low Power Consumption: Designed for efficiency, our miner significantly reduces electricity usage, making it an economical choice for long-term mining operations Advanced Connectivity: Features built-in WiFi and Bluetooth Low Energy (BLE) for seamless integration with your existing network and devices Portable and User-Friendly: Its USB connectivity and small form factor easy to set up and operate anywhere, providing flexibility and convenience for all users Specially optimized algorithm firmware enhances the arithmetic power to 310KH/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 The product appearance and printed words depending on the batch, but this does not affect use. Color:As Shown Material:plastic Package Contents: 2 * Nerd Miner Solo Lottery Miner 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.