Instructions Notes: This product only contains a mobile phone holder and does not include a tripod or selfie stick. Other accessories in the picture are for reference only. Compatible devices: Mobile phones: Most iOS/Android phone models, such as iPhone XS max/XS/XR/X/8/8P/7/7P/6s/6, Galaxy S9/S8/S7 / S6, Note 9/8/ 7. Lumia 1520/720/820 etc. Camera: less than 500 grams, mounted with a nut, the diameter of the nut is 0.64 cm. GoPro, action cams, compact cameras. Instructions for use: 1. There is a lock on the bottom of the tripod. Turn the lock to the left to secure the tripod, and turn to the right to put the tripod back. 2. In the center of the bottom of the camera, you can see a nut (0.64cm in diameter). Put down the phone holder and selfie stick, adjust the screw on the selfie stick to face upwards, and turn the screw on the camera nut firmly.