With Swivel Cold-Shoe Mount, you can attach extra Led light, Microphone or other filming device. Full 360-degree rotation function for the perfect viewing angle. Attached to any tripod, monopod, stabilizer or other filming device with a standard 1/4 inch thread interface. Helps you filming steady video for Facebook Live, Periscope, and other live streaming platforms. Can hold ALL Smartphones or Phablet with width between 58mm to 105mm.