Features: With 1/4 screw hole on the bottom, can be mounted on selfie pole, tripod, stabilizer, slider alike for professional smartphone video shooting. Height adjustable to suit most smartphones whose width is between 6.5cm ~ 9.3cm / 2.6 ~ 3.6. With protective rubble on the clip inner size to save guard your valuable smartphone. Easy to operate, fasten or loosen the screw for quick installation/removal. Aluminum alloy frame, steel screw, strong, sturdy durable for long time use. Great for outdoor photography with smartphone.