Universal Microphone Stand Tray with Phone Holder, Mic Stand Clamp-On Utility Shelf Rack Tray Holder for Music Sheet, Live Streaming, Live Broadcast, Karaoke, Recording, Music Stand Accessories[Large Size Tray] The microphone stand tray size is 10. 63 x 8. 07 inch 27 x 20. 5 cm, max load 7 pounds 3. 2 kg to support most equipment. Made of premium hard ABS material. The tray is strong and stable, you can adjust the height with confidence. [Upgraded Phone Holder Design] After the microphone stand is installed, you can switch the height you want at will by adjusting the screw tightness. Works for all cell phone with width from 2. 16" 3. 46".