Premium Luxury Replacement Accessory Bracelet With Snap Lock Clasp And Unique Charm Decoration Ornament. Small/Medium Non-Adjustable Size Fits 5.8 to 6.8 inches Wrist (Alta HR tracker requires wrist size to be 6.5 – 6.8 inches) – PLEASE MEASURE YOUR WRIST BEFORE ORDERING. Weighs Around 1.4 -1.6 oz, Width is Around 0.5 inches. Does Not Fit Other Models. Tracker Not Included. Designed As Stylish Elegant Fashion Jewelry Piece To Complement Your Everyday Casual Style. This Bracelet Is Not Water Or Sweat Proof/Resistant And Not Suitable For Workout.