With 1/4 '' universal screw - Any type of compact and action sports camera can be fixed on it - Folding and easy to store - Light weight compact for travel - 360° rotated head for all position shoot - Perfect self-portrait without leaving any traces - Suitable for Mobile Gopro Camera Digital Camera DV Camera Entry Level DSLR Camera Mobile phone etc. - Equipped with Bluetooth remote control easy to operate with mobile phone. Bluetooth Remote Control: Compatible with Android 4.2.2 OS or newer and iOS 6.0 or newer Model: AB shutter 3 Bluetooth version: 3.0 Transmit frequency: 2.4GHz-2.4835GHz Communication distance: 10m (30ft) Battery life (1 x CR2032): about 6 months under working in 10 times a day Dimension: 50mm x 33mm x 10.5mm Weight: 10g