About Product: The width can be extended from 5.5 cm to 8.5 cm in an adjustable cell phone holder. It can be easily installed even with a 1/4 inch screw camera. Special ball head design for easy adjustment, 180 ° rotation angle is very flexible. With an expandable aluminum pole with lock, the length can be adjusted from 38 cm to 128 cm. A soft rubber surface and a more comfortable, high quality handle. There is a 1/4 inch screw hole on the bottom that can be connected to a mini tripod. No need to charge (not included). Simply connect the auxiliary cable to your smartphone and start shooting. Inch Width Rubberized Grips and Straps for Safe Fixing No need to ask a stranger to take a picture of you.