Make your move in an instant with the Razer Viper Mini Ultra-Fast Gaming Mouse. This tiny little mouse packs impressive performance. In fact, the Viper Mini mouse weighs just 61 grams. But it still offers all the abilities you need in a gaming mouse. This small gaming mouse actually has a 0.2-millisecond response time. That means you never miss a second of the action. Moreover, it includes six programmable buttons. You’ll be able to customize your mouse just the way..