Features:Compatibility for GOPRO HERO 4/3+/3/2/1/sj4000/sj5000/sj6000， Mobile PhoneNo need to charge， Do not need to worry about the electricity in the long journey.The Most simple Monopod: Do not need to download software， directly insert the line phone audio port to control the camera phonesCan be installed Remote controlAnti-shake when take photos， comfort to use， no tired feeling.Portable， light and flexible， practicalSpecification:Extend length: 35mm-100mmMain material: Aluminium Alloy