R1 Extension Cable

The R1 extension allows you to remove the NAO® RL battery from the headband. 

It allows you to keep it warm, protect the battery and preserve its runtime. Ideal in cold weather or to reduce the weight carried on your head!

• Allows you to carry the NAO® RL rechargeable battery separately, thus reducing weight on your head
  
• Extends battery life by allowing you to keep the rechargeable battery in a pocket, protected from the cold
  
• Ideal for trail running, cross-country skiing and mountaineering