lots of new coins you can mine with usb miner .. but before selecting a mined coin what usb miner are you using? dragon, furrry, antminer, greed? how much do you have? you should have it in large quantities in order to get a satisfactory result .. you should adjust with the equipment you have and choose a coin with a block that is still low and a good price so as not to make a loss for the cost of electricity