1. Made of high quality ABS material, stable and firm, suitable for our using. 2. The adjustable clamp will fit most standard-sized music sheet stands and microphone stands. 3. Simple to install and convenient to disassemble, easy to carry and store. 4. Adjust the clamp-on tray to a comfortable height, lock the mount in place and you are ready to start the show 5. The plate board used to fix sound card, suitable for stage, chat room, internet bar, control room and so on. 6. Tray size: 16.5 x 22cm 7. Diameter range of clamp: 2.1cm to 3cm
