AIbird Uoplay 2 3-Axis Handheld Universal Smartphone Gimbal Stabilizer for iPhone Samsung HTC for GoPro 3 4 Compatible with Smartphone up to 6 inches (iPhone 6s plus,iPhones,Samsung,HTC ect.),GoPro Hero 3 /3+ /4 and Sports Action Camera of similar size as GoPro Hero Through program and gyroscope controlling 3 motors(Yaw360 Roll310 Pitch310) ,Uoplay can keep its stability and avoid shaky or jittery when making videos.Simply one smartphone with Uoplay gimbal you can get film-like effect In face tracking mode,Uoplay 2 can automatically track and record ever,movement of the person accurately and smoothly Easy operation,power button and function button provide both control and one-click operation for switching between six modes With 1/4 screw threaded interface at the gimbal bottom to be attached any standard extention rod,tripod or other accessories