I'm pretty sure these guys are out of business now (so don't expect a warranty) since they haven't responded to any request I've made recently and amazon is liquidating everything but for $5 this is a great mouse! I got 4 just to have as spares
https://www.amazon.com/Vitesse-opti...&qid=1543958598&sr=8-5&keywords=feenix+autore
https://www.amazon.com/Vitesse-opti...&qid=1543958598&sr=8-5&keywords=feenix+autore
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