If you have never heard of bitcoin usb miner before then this post is for you. So let's start the discussion.
Bitcoin usb minor is a pen drive system. As far as I know it has to be mined with a good motherboard. And your computer must have good speed.And must have good RAM.Then you can do better btcminer.Another thing you must have 24 hours current to do bitcoin mining.And you will find bitcoin usb pen drive amazon.com website.And the price of this bitcoin usb pen drive is not high.As far as I know it costs 10$.Please contact me if you want to get more information about usb miner.I will give you all the information.My Facebook link will be given below the post.
