- Allows the rechargeable battery for the NAO + headlamp to be moved
- 106.5 cm extension cord
- Clip for attaching the rechargeable battery to a belt, a backpack...
- Weight on the head is reduced to 130 g
- Increases battery life by keeping the rechargeable battery in a pocket, protected from cold
- Ideal for trail running, cross-country skiing, mountaineering...
- Weight: 59g