Unit Circle Black and White Math Nerds Equations & Formulas PopSockets PopGrip: Swappable Grip for Phones & Tablets
- This useful design is the perfect way to remember the unit circle from trigonometry. Great gift for professors, mathletes, engineers, and teachers..
- Unit circle shows degrees, pi radians, and coordinates. Awesome reference tool for the AP math wiz in trig, geometry, or calculus. Buy one for your high school or college student now!.
- switch out your PopTop for another design or remove it completely for wireless charging capabilities. (Not compatible with Apple MagSafe wireless charger or MagSafe wallet.).
- Expandable stand to watch videos, take group photos, FaceTime, and Skype handsfree..
- Advanced adhesive allows you to remove and reposition on most devices and cases..
- Note: Will not stick to some silicone, waterproof, or highly textured cases. Works best with smooth, hard plastic cases. Will adhere to iPhone 11, but not to the iPhone 11 Pro nor the iPhone 11 ProMax without a suitable case..