Note: Microphone and Filter Shield Mask not included 1. Dual suspension springs on each boom arm protect the microphone from suddenly dropping2. The universal mounting clamp attaches to tables, desks, shelves, counters, etc. Suitable for any stores, families, stages, studios, broadcasting and TV stations, etc. with an adjustable positioning screw, can easily clip to any desktop up to 1.7"/4.5cm thick3. The adjustable scissor arm stand is made of all-steel construction, sturdy and durable, even can hold one person weight 150 pounds, a standard microphone clip to mount most standard-sized handheld microphone4. Professional kit includes microphone scissor arm stand, desk mounting clamp and microphone clip5. The adjustable arms can be folded up and easy for you to carry around and allow you to adjust the suitable angle and height to record your good voice