Bestbuy offers REDRAGON - M602A-RGB Wired Gaming Mouse, 7200 DPI, RGB, 8 Backlit Modes, Ergonomic, 7 Programmable Buttons for Windows PC Gamers - Black for $16.99 (orig. $24.99)  with free shipping.

Product Description:
The Redragon M602A-RGB Wired RGB Gaming Mouse is a 7,200 DPI optical gaming mouse with 7 programmable buttons and 8 backlight LED modes. Geared with 5 adjustable DPI levels (by default800/1200/1600/2400/7200), making it is easy to switch for different game needs. The skin-friendly coating gives you a comfortable grip on the mouse surface, which offers you the most enjoyable experience. The RGB backlighting not only lets you express yourself, but also helps brighten up your gaming rig which in turn lets you stand out. 

• WIRED GAMING MOUSE - Built for Gaming Computers
  Ergonomic Redragon M602A-RGB “Griffin” RGB Backlit Gaming PC Mouse up to 7200 DPI (user adjustable 800/1200/1600/2400/7200 DPI), 10G acceleration. The High-Precision Sensor delivers Pinpoint Accuracy while the Gaming Grade Micro Switches ensure longevity, greater durability, and extreme responsiveness, giving you an even greater edge over your competition.
• RGB BACKLIT MMO PROGRAMMABLE PC GAMING MOUSE
  7 MMO user programmable buttons, 5 Memory Profiles each with a distinct LED color option for quick identification. 7 different backlight modes. (Backlight can be disabled) The Redragon M602-RGB Gaming Mouse offers total personalization for your Gaming Computer and Gaming Laptop.
• ERGONOMIC GAMER MOUSE
  They are delivering an extremely comfortable and precise experience for Computer Games. The ergonomic shape of the Redragon M602-RGB PC Gaming Mouse is built for comfort, fits naturally in your hand, the buttons are tuned to reduce click fatigue.
• HIGH-END PC GAMING MOUSE FEATURES
  The Redragon M602-RGB Mouse features; Built-in Weight Tuning for the right balance, an anti-kid scroll Wheel, and Durable smooth TEFLON feet pads for ultimate gaming control. 7 programmable buttons. Total 8 buttons. The Mouse works great with Redragon Gaming Mousepads and keyboards. It comes with a 6-foot, 3mm strong high-speed braided fiber cable, and a gold-plated corrosion-free USB connector for a reliable connection.
• PC GAMING MOUSE COMPATIBILITY
  Windows 10, Windows 8, Windows 7, Windows Vista, or Windows XP, Limited Mac OS support works well with all major Gaming computer brands and Gaming Laptops.