Canaan (NASDAQ:CAN) has introduced its latest generation of bitcoin mining machine, which is said to offer with enhanced computing power and improved power efficiency than its predecessors.The Avalon Made A13 series includes two different models, powered by advanced ASIC technologies.Model A1346 features a hash rate of 110 TH/s and a power efficiency of 30J/TH, while Model A1366 offers 130TH/s hash rate with a power efficiency of 25J/TH.CAN shares were down over 6% in pre-market hours