Fly with LXNAV nanoUse Nano variometer and enjoy with NanoFly.Nano Fly is a simple variometer connected to LXNAV nano via bluetooth Nanofly has also simple speed to fly indication, MacCready setting and preloaded polars for almost all types of gliders.IMPORTANT note Please use the latest Nano firmware2.05 or newest. Older versions could cause errors.If errors occurr, you39;re welcome to contact us.