Vertical Mouse Ergonomic 2.4GHz Wireless Optical Mice for Laptop PC Computer Desktop 3 Adjustable DPI 800/1200/1600 6 Buttons. Ergonomic mouse is designed to fit in your hand. The unique upright shape reduces muscle tension in the arms, relieves repetitive stress or any symptoms of carpal tunnel, wrist pain, and fits perfectly in all hand shapes and sizes.
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