It's the newest NMMiner version , deeply optimized the codes, hashrate reach 390KH/s. Exclusive design: BTC lottery machine adopts the latest technology and adopts a Solo mode, giving you the opportunity to get all the coins in one area, and you can enjoy them exclusively (currently 3.125) without sharing with others! Low price and high efficiency: BTC lottery machine is inexpensive, allowing you to get the maximum return with the minimum investment. Low consumption greatly reduces your cost, so you don't have to worry about electricity bills! Due to different batches, there may be differences in product appearance and printed text, which not affect use. Specification:A Color: Grey Material: plastic Package Contents: 1 * Miner 1 * Data cable (Random color and appearance, specified color and appearance are not accepted; the interface remains unchanged and does not affect usage) 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.