Upgraded Ultra-quiet Fan!!!Open Source Lottery Miner. Although the current mining capabilities of Nerdaxe position it as a solo miner compatible with any solo mining pool, it's important to manage expectations regarding its performance. Mining a block independently with Nerdaxe is a challenging and unlikely NerdAxe is a fork from bitaxe Ultra with fullcolor display graphics, a fully open-source Bitcoin ASIC miner. NerdAxe is indented to be an expansion board for these who have a NerdMiner and would like to have more powerful mining features without losing the NerdMiner essence. That's why NerdAxe is currently controlled by the common board used on Nerdminer project,This design ensures an efficient and powerful mining capabilities, achieving 500 /s with an energy efficiency of 20 J/TH The appearance of the product from batch to batch, and the fan in the product may be labeled. It does not affect the use Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Colour:Black Material:plastic Package Contents: 1 x NerdAxe Miner 1 adapter 1 x Type C cable 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.