Compatibility Hard PC watch case with builtin tempered glass screen protector designed specifically for Fitbit Versa 4 and Fitbit Sense 2 Smart Watches. NOT compatible with Fitbit Versa 3, Versa 2, Versa, Versa Lite, or Fitbit Sense Smart Watch. Please check the version and size on the back of your watch to choose the right size case. Note: The Smart Watch and Watch Strap are not included. Shockproof and scratch resistant Protective bumper made from antiscratch rugged hard PC and a ultrathin tempered glass screen protector. The cover protects the full front and curved edges of the watch, providing comprehensive protection against bumps, scratches, drops, and other accidental damages. HD clarity and sensitivity Tempered glass film offers 99% transparency to preserve original image quality. The ultrathin screen cover remains responsive and smooth, preserving touch sensitivity. During fitness or sports, water mist may appear between the screen and protector; the product does not absorb moisture. If moisture occurs, remove the case, dry the case and screen with a cloth or wipes, then reinstall the case. Precise cutouts and easy installation Designed with precise cutouts for easy access to all controls, buttons, sensors, and features. You do not need to remove the case to charge. Snapon design enables easy installation without removing the strap. Use scenarios During workouts and sports: keeps your Versa 4 or Sense 2 protected from scratches and minor impacts while maintaining full touch responsiveness. Everyday wear and outdoor activities: guards the screen and edges against incidental knocks, dust, and everyday wear, while preserving screen clarity and responsiveness. Travel and work environments: convenient snapon design allows quick on/off protection when moving between locations or environments, without removing the strap.