It's the newest NMMiner version, with deeply optimized code and a hashrate of up to 390KH/s. Exclusive design: The BTC mining device utilizes the latest technology and operates in Solo mode, allowing you to earn all the coins in one block without sharing with others (currently 3.125 BTC). Low price and high efficiency: This BTC mining device is affordable, enabling maximum returns with minimal investment. Low power consumption significantly reduces operating costs, so you don't need to worry about electricity bills. Due to different production batches, there may be slight variations in product appearance and printed text, but these do not affect functionality. Color: Gold Material: Plastic Package Contents: 1 x Miner 1 x Data cable (color and appearance vary randomly; specific color or style cannot be requested; interface remains unchanged and does not affect usage) The package includes only the items listed above; other products are not included. Note: Lighting effects and monitor settings may cause slight color differences between the image and the actual item. Measurement error allowance is +/- 1-3 cm.