Features: Dual side phone clamp design is to satisfy needs of both side mounting in phone video live streaming. Bottom universal 1/4inch screw thread and AS standard mount make it easier to mount on tripod or ball head. Dual cold shoe can meet the needs of microphone and video LED light mounting needs. Phone holder clamping range is about 5-8cm/1.97-3.15in, applicable for most smartphones. Aluminum alloy structured ensures tough and solid loading capacity, durable for long term use.