1. Support PTZ function, compatible with Gopro sports camera 2. Material: Aluminum Alloy + ABS 3. Size: 47*33*190mm, weight: 155g 4. Expanded height 800mm 5. Applicable to 4.7-6.5 inch mobile phones (the size of the chuck is 60-85mm) 6. Bluetooth 4.0 connection to take pictures; with fill light: two levels of fill light, battery capacity 55mAh, use time 50-90 minutes 7. Outdoor and indoor live broadcasting, selfies, group photos, etc.