· Precise optical positioning
· Classical and comfortable molding technology
· 1000DPI high precision optical technology
· 3D scroll wheel function, convenient and practical
· 1.5m high strength fiber soft enameled wire
· Durable non-slip wheel design
· Lowest radiation design,take care of your health
· Ergonomics design, long time used without fatigue
· 500 million times super-long life buttons durable service

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