You should be able to tell the model of your smart watch by looking at the app on your mobile device that you use to connect to the watch.
2 Pack Watch Case Cover Bumper Compatible with Amazfit T-Rex 3 Pro 48mm Smartwatch Accessories
Features:
Come with the edge frame protection, not coverage the watch face screen, the Amazfit T-Rex 3 Pro band cover screen protector protects your strap in all directions, eliminating fingerprints, avoiding scratch, impact;
Access to all ports, precise hole cutouts make it easy access to all buttons.
Easy to touch the screen, match your highly responsive and make your watch look different.
Specification:
Material: Soft TPU
Weight: 10g-50g
Color: Black,Green,White,Blue,Orange-
Package Contents: 2 Pack Soft TPU protective cases compatible with Amazfit T-Rex 3 Pro smartwatch included.