Usage Tips:You will get 2 PCS for Fitbit Alta HR Charger with Reset Button. Perfect Replacement for Lost or Damaged Charger of for Fitbit Alta HR. and Premium Quality-made of high quality wire; bring your for Fitbit Alta HR good experience charging. Safe Charging-Our for Fitbit Alta HR charger has Voltage Regulator and PTC Inside to protect your for Fitbit Alta HR being damaged by overcurrent when connected to power source. Convenient Charging--Extra Replacement Cable to give your for Fitbit Alta HR Wristband a Boost in the office, at home or in Travels. How to use the Reset Button to Reboot Your Device: Step 1: Connect Our Reset Button Charger with USB adapter or computer to charge your for Fitbit Alta HR Wristband. Step 2: Quickly Click the charger Reset Button 3 times (Intermittent) in within 8 seconds. Then you for Fitbit Alta HR Wristband will restart. This Reset Function is against a system crash. Note: Charging time of 80 minutes is better colour: black Material: plastic Package Contents: 2 * USB charging clip Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.