Before contacting us please review this FAQ

• The blinking lights on my product stopped working. What do I do?
  
  • First, replacement the batteries.
  • Make sure you have pushed the “on/off” button.
  • The needed battery is a standard If you have tried both suggestions, contact our Customer Service depart [insert link]

• What type of battery do I need to purchase for my armband?
  • The needed battery is a standard CR2032 battery