Fitbit Alta HR Charger with Reset Button, BeneStellar 2-Pack 3.3ft/1m or 1.8ft/55cm Replacement Charging Cable Cradle Dock Adapter for Fitbit Alta HR Fitness Wristband (2-Pack 1.8ft+3.3ft) Compatible With: ONLY fit for Fitbit Alta HR Smart Fitness Wristband. Please NOTE: Not fit for Fitbit Alta Smart Fitness Wristband. Reset Function: With a reset button on one end of the USB charger. Quickly click the reset button 3 times within 8 seconds, your Fitbit Alta HR Smart Fitness wristband will get restarted. Voltage Regulator (PTC) Inside: Prevent your Fitbit Alta HR from being damaged by overcurrent when connected to USB power source on PC, Mac, laptop or notebook. Charge time: 1 to 2 hours, support battery life and charge cycles vary with use, settings, and other factors; actual results will vary. Package Include: BeneStellar 2-Pack Fitbit Alta HR replacement charging cable. Extra replacement charging cable to give your Fitbit Alta HR a boost in the office, at home or in travels. Make your charging become more convenient. 18 Months Warranty: Hassle free replacement or money back during the warranty.