Fitbit Alta Fitness Watch Pick Size: Small Large - Color: Black Green Pink Blue Dimension and Size: Small, Large Suitable for Small (6.3"-7.5") and Large (6.3"-8.7") wrist. You can adjust the size and tightness of the strap according to different occasions. Color: Top: Blue - Cornsilk Blue, Green - Aqua Green, Purple - Lavender Purple, Orange - Coral Orange, Pink - Blush Pink Bottom: Purple - Magenta Purple, Gray - Gunmetal Gray, Blue - Royal Blue, Black, White Special Features: - Water Resistance: These newest alta bands are sweat, rain and splash proof. - Premium Material: Premium TPU material gives you a comfortable wearing experience. Not fading and non-toxic. - Easy Replacement: Unique design of the clasp and buckle make you easy to change the strap and never fall off! Tested!!! Fully functional Unit is in good condition (see pictures). May show some cosmetic wear from normal use (please refer to the detailed pictures), but overall this unit looks and works great! Please refer to the pictures for the condition of the item. - ALL UNITS ARE BUNDLED WITH A CHARGER - No box, dongle, instructions, or any other accessories are included. FITBIT AND CHARGER ONLY - Screen may have minor scratches. Nothing that affects the ability to read the screen.