Power is provided by a rechargeable lithium-ion battery pack (the spring-winding handle on the side of the camera is presumably just for show). There's currently no word on runtime per charge ...

If you’re more mountain goat than marathoner, you’ll like the X-Talon 230. At just 8.8 ounces for a men’s size 9, the extremely lightweight and flexible shoe is ideal for off-road races when ...