The sole f85 treadmill is simply put the best folding treadmill on the market to date. upgrades include a stronger 4.0 hp motor, a reinforced deigned frame for higher user weight capacity, and a detailed 10.1" tft-lcd touch panel +android system. this treadmill along with premium, crowned rollers and a durable nylon belt sets the standard for fitness equipment very high. the f85 also now includes bluetooth, wifi, and screen mirroring capabilities. allowing users the freedom to transfer workout data from their fitness equipment to their smart device. users can track their fitness info on the new sole+ app available on both android and apple products, or have their data be transferred to other compatible fitness apps. with maximum capacity of 130kg below.