1. Material: stainless steel + ABS 2. Surface technology: sunburn3. Size: 32*50*190mm Unfolded height 980mm Weight: 176g4. Support mobile phone size: 4.5-7.0 inch mobile phone (mobile phone width: 62-90mm)5. Bluetooth 4.2 connection to take pictures6. Battery capacity: 70mAh7. Application scenarios: outdoor indoor live broadcast, photography, selfie, etc.