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Firm Price! No Box! Barely used the mouse for about 2 months. After that, it just sat in my cupboard for a while. Everything Works (Charging Dock, Original Cable, etc..) * Movement detection technology: Optical * Razer HyperSpeed wireless technology brings together extreme low-latency and interference reduction for true wireless freedom * The Lightest, Zero-Compromise Wireless Esports Gaming Mouse at 74g: The Razer Viper Ultimate includes a 20K DPI optical sensor befitting the most serious gamers without the need for drilled holes * Faster Than Traditional Mechanical Switches: New Razer optical mouse switches uses light beam-based actuation, registering button presses at the speed of light * Ambidextrous Design: Created for left and right-handed users with accessible, programmable buttons on both sides
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