1. Material: Aluminum Alloy + ABS 2. Size: 43*31*185mm, weight: 122g 3. Expanded height 800mm 4. Applicable to 4.7-6.5 inch mobile phones (chuck size 60-85mm) 5. Bluetooth 4.0 connection to take pictures; with fill light: two levels of fill light, battery capacity 55mAh, use time 50-90 minutes 6. Outdoor and indoor live broadcasting, selfies, group photos, etc