Just announced by a company of the same name, the Lume Cube is an off-camera lighting option that can be used with a smartphone or GoPro Hero action camera. Thanks to its silicone shell it is water resistant and a 1/4-inch thread makes it mountable on a tripod or other camera support. Additionally, it can be attached to most surfaces magnetically or using a suction-cup. Lume Cube is controlled via an Android or iOS smartphone app. Read more
Articles: Digital Photography Review (dpreview.com)