Compatible With - The clip diameter can be adjusted better and firmly grasped the pole when fixed, fits tubing up to 1.58"/4cm. This clip on music stand shelf tray is suitable for most microphone stand/music sheet stand/speaker stand/selfie light stand/phone tripod. Notice: Please check if this metal mic stand accesspry tray shelf is workable for your device before purchasing. | Metal Material for Durable - The heavy-duty microphone stand accessory tray is made of premium durable metal material, which max loads 4.5kg/10 pounds to support most equipment. The mic stand shelf tray measure size is 7.8in x 11.7 in (19.8cm x 29.7cm), width enough to meet your daily needs. | Multifunctional tray - Unlike other trays, our microphone tray attachment is specially designed with a 2"/5.08cm diameter headphone stand and a phone holder for live stream, live show or video chat. The phone holder can fit most 3.5"-7.5" smartphones and can adjust angle. The multifunctional tray for mic stand increases its utility, with user-friendly design to make your life more convenient. | Adjustable Design - Once the mic stand shelf tray is installed, you can easily adjust the height you need by turning the knobs. It's very simple to operate and no extra tools are needed. (Please refer to Figure 3 to find out adjustment tutorial) | Keep Your Accessories Safe - The raised edge design on the microphone tray can prevent small tools or accessories from falling off the tray. Whether you are using the mic tray or not, you don't have to worry about your items falling off, keeping your items securely in place. | Wide Application - The universal music stand accessory tray is perfect for stages, offices, lecture halls, recording studios, offices, webinars, meeting rooms or your own home. Great for holding small accessories like capos, harmonics, cell phonees, picks, phones, small percussion.