Battery: 2 Lithium Polymer Batteries Battery Life: Up to 4 days of battery charge Display: 20 color LED lights Motion Sensors: Built-in 3 axis accelerometer Light Sensors: Ambient light sensor to detect environment light levels for automatic increase/decrease display brightness Bluetooth 4.0 pairing to iOS and Android devices (for use with the Nike+ FuelBand app for iOS 6.1 and above, iPhone 4S and above Materials: 43% TPE, 34% Polypropylene, 14% Magnesium, 9% Stainless Steel Dimensions: Small (5.79"), Medium/Large (6.77"), X-Large (7.76") Band Weight: Small (0.95 oz.), Medium/Large (1.06 oz.), X-Large (1.13 oz.) Link Weight: 8mm (0.07 oz.), 16 mm (0.11 oz.)- Battery: 2 Lithium Polymer Batteries
- Battery Life: Up to 4 days of battery charge
- Display: 20 color LED lights
- Motion Sensors: Built-in 3 axis accelerometer
- Link Weight: 8mm (0.07 oz.), 16 mm (0.11 oz.)
Battery: 2 Lithium Polymer BatteriesTrustyTrade