Check the listing for details. Bitmain Antminer U2 V1.2 SHA-256 *RARE - FIRE EDITION* Bitcoin USB Miner. Condition: Used. Listed at 200.00 USD. Bitmain Antminer U2 V1.2 SHA-256 *RARE - FIRE EDITION* Bitcoin USB Miner. Bitmain Antminer U2 V1.2 SHA-256 USB Bitcoin Miner. Price is for 1 miner. 8 available in different colors. No guarantees on specific color. These have the ability to be overclocked and can mine at 2.2 GH/s. That's equivalent to 6 of the block erupters. These items have been purchased new and used for only about a month, back when they were first released. I then moved on to Antminer S1's at that time. These have been tested are in *LIKE NEW* condition and work absolutely great! Please contact me with any questions before purchasing. Thank you If you do not know how to use these miners, I suggest you research how to use them. They are easy to use, but please exercise due diligence before purchasing. Items are sold as is! All sales are final! No returns!