Zhiyun Smooth 4 (Black) - 3 Axis Gimbal Born for Mobile Filmmakers Zhiyun Smooth 4 gimbal turns your phone into a professional filmmaking device and helps you create smooth and stable footage with just a smartphone. Now begin your Hollywood film. Compatibility Version iOS 9.0 and above, Version Android 5.0 and above, IphoneX, Iphone8/ 8plus, Iphone7/ 7plus, Iphone6s/ 6splus, Iphone6/ 6plus, Iphone SE, Iphone5/ 5s, Google Pixel, Google Nexus, Samsung, Huawei, Oneplus, LG, Smartisan, Oppo, Vivo, and more. How to use Put in your phone and adjust balance by tilt axis, Turn on the Zhiyun Smooth 4 gimbal, Turn on the ZY Play app on your phone and connect bluetooth with the gimbal, Begin your filmmaking Notice Please do NOT turn on the Smooth 4 before putting in the phone. The battery will stop charging when it is full. Disconnect the battery from the charger when fully charged.