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Amazon [amazon.com] has Razer DeathAdder Essential 6400 DPI Gaming Mouse (Mercury White) on sale for $13.79. Shipping is free w/ Prime or on orders $35+.

Features as listed on Product Page: [LIST][*]6400 DPI Optical Sensor[*]5 Programmable Buttons[*]Right-Hand Orientation[*]Mechanical Switches (10 Million Click Lifespan)[*]USB Wired Connection[*]5.01″L x 2.86″W[*]4.48 oz.