In 2013 we saw the first USB ASIC miners, the infamous Block Erupter mining at 333 mh/s per second. In 2014 Bitmain introduced their U1 AntMiner hashing at 1.6gh/s and extremely low power usage at 2 volts via USB. Own this piece of bitcoin mining history from a pivotal moment when ASICs began to take over GPUs.
This miner has minimal usage and is in excellent condition, includes original case with UPC sticker.