NM-usb-chain is a NMMiner Lottery Board, with Wi-Fi, Bluetooth. Deeply optimazion for ESP32-S3: Achieves high performance of 120kH/s with a single chip in solo miner mode, while maintaining low power consumption. The NM-usb-chain is usb-A interface miner, multiple devices can form a BTC Lottery device chain. The NM-usb-chain with a 0.96 inch TFT-LCD. The NM-usb-chain can be configured with your phone or the NMMiner [official flash tool.] Monitor its working status at any time through the [NMController] Only one USB Power is enough for the all the ChainBot Devices. The stronger the power supply of USB powered devices,the more ChainBot devices they can support.Actually,the 5V-3A USB Power,almost can supply power to 10 devices. In the current mode, the device measure the current of the USB interface. Using a USBA-typeC data cable,it can be linked with other Lottery device.(data cable not included) Specially optimized algorithm firmware enhances the arithmetic power to 120KH/s,increasing the probability of winning the lottery by 60%. No External computer is needed. The system supports secure connection if the pool supports it. By double-clicking the USER key,allows you to switch to a desktop clock mode with the BTC Lottery running in the background. The NM-usb-chain can form a chain structure one by one,and only requires one power supply, making the overall design more concise. Parameters: Operating mode:BTC lottery/USB power meter tester Hash Rate:110-120kH/s Wi-Fi:802.11 b/g, up to 150Mbps Device management:NM Controller Power Interface:USB-A Male connector*1 USB-A Female connector*1 Intergrated Feature:WiFi 802.11b/g,BLE Power supply range:5-20V Power monitoring range:5-20V/0-6A Colour:As Shown Material:PCB+Plastic Package Contents: 1 * BTC Lottery Board 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.