Fitbit Alta HR and Alta Classic Accessory Band, Blue Gray, Small

These classic colors can take you from work to workouts, day to night and beyond Angled line texture on band lends a modern, elevated look Rain, sweat and water resistant, so you can worry less about your tracker and focus more on your goals A color-matching aluminum buckle holds your band securely in place Bands are compatible with both Fitbit Alta HR and Alta Operating temperature: 14 degree to 113 degree fahrenheit Maximum operating altitude: 30,000 feet The minimum and maximum circumference range between 140 – 170 millimeters