Arc Equine used once, new condition

Arc Equine newest model, used once but then got another as a present so using that one, can post at buyers cost, what Arc says...
ArcEquine is a remarkably small device that is wearable, drug free and non-invasive. It works by automatically generating a complex series of microcurrents with a simple, one-finger operation. In fact, it delivers over 4.6 million permutations within a single programme to support the body’s own natural repair process. And just like naturally occurring microcurrents, they can’t be felt, so cause absolutely no discomfort to the horse whatsoever. Read more