All profits are final and non-refundable right after shipment, but we offer fix and alternative services if there are actually technological problems with all your miner. In comparison for the Bombax Miner EZ100-Professional, the EZ100-C delivers a little bit much less raw electrical power but can make up for it https://free-bookmarking.com/story21016688/bombax-miner-ez100-price-and-availability