Annisking 5 x Avalon3 Nano USB 3.6Gh/s Asic Bitcoin Miner Successor of Antminer U2 (3.6 GHs-bitcoin miner) From 1.0 and 3.6 GHs according to temperature changes Avalon Nano is a minor USB containing a kernel A3233 Extremely technically advanced miner! With all Driver's/Info, Conveniently printed on your miner's Packaging!