Arion Rapoo T8 5G Wireless Mouse with 1600 DPI Ultra-Low Power and Laser Engine - Black Powerful long-range 5G wireless: Lean back and browse from the couch with a fast, reliable 5GHz wireless connection, keeping interference away from other bluetooth and Wi-Fi channels Adjustable 800/1600 DPI high-definition tracking engine. Portable, Nano-receiver build-in design Rapoo's ultra-low-power R58 processor, well-designed circuit and power switch, battery life up to 9 MONTHS High-performance laser engine achieve flawless tracking on almost any surface with high-speed response and unrivaled accuracy Stylish, portable & streamline design with special matte touch surface, aluminum alloy bottom cover transpiring excellent slip-resistance and comfort