Replacement USB charger compatible with Fitbit Alta HR Heart Rate Fitness, not suitable for other models. Does not include reset function. Fitbit Alta HR Fitness and Band are not included. Safety Design: This charger features a built-in voltage regulator to protect your device from overcurrent and short circuit damage. Plug into a USB port on a PC, laptop, Mac, or notebook. When using a wall adapter, ensure the output current does not exceed 1A. High Quality and Durable: Made with high-quality materials, this charging cable withstands over 2000 insertion and extraction cycles. Compact and lightweight design ideal for travel and daily use. Cable Length: 100cm, providing ample reach. Convenient for use at home, in the office, in the car, or while traveling. Easy to carry in a purse, backpack, or glove compartment. Provides safe and fast charging. Lightweight and portable design. Color: Black Material: Plastic Package Contents: 1 x Charging clip Only the items listed above are included. Other products are not included. Note: Lighting conditions and monitor settings may cause slight variations in color. Measurement tolerance is +/- 1-3cm.