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ADNS 3050 Optical Navigation Sensor with MCU | 14core.com
Sensor location on mouse
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Logitech G305 LIGHTSPEED Wireless Optical 6 Programmable Button Gaming Mouse with 12,000 DPI HERO Sensor K/DA, White 910-006051 - Best Buy
Amazon.com: 3M Wired Ergonomic Optical Mouse, Patented Vertical Grip Design Keeps Your Hand and Wrist at a Neutral Angle for Comfort, USB/PS2 Plug and Play Compatibility, 6.5' Cord, Large Size, Black (EM500GPL) :
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Logitech G305 LIGHTSPEED Wireless Optical 6 Programmable Button Gaming Mouse with 12,000 DPI HERO Sensor Blue 910-006012 - Best Buy
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3M™ Wired Ergonomic Mouse, Large, EM500GPL | 3M United States
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