Magicshine MJ-6060 Head Strap | Extend Your Bike Light's Versatility Usefulness Turning it into a headlamp. A comfortable, elasticated headband specifically designed so that MagicShine bike lights can be used for other pursuits, like running, orienteering and fishing.The headband is compatible with most of the MagicShine range. The larger mount enables adjustment of the light heads position to direct the beam for your chosen use. Your light head is easily attached to the headband using the 'o' rings, just like attaching the light to your bike bars, making the switch from bike light to running light easy and practical. You'll probably want to purchase an extension cable so that you can put the battery in your pocket., Make sure you chose the correct extension cable for your lighthead from the two available.