Product name: Zreephy New Design Professional Metal Sheet Music Phone Tablet Stand Holder For Digital Piano, Keyboard Instrument, Wind, Guitar, Ukulele, Violin Players, With a Phone Flexible Arm Holder & Tablet Flexible Arm Holder

Model No.: MS01-LA
The tray size:H 18.9" * W 13.4" (48cm * 34cm), and thickness of 1mm.
The base size: L 13.7" * W 9.8" (34.8cm * 24.8cm), thickness of 7mm (with a sponge pad)
Adjustable height: 35.8"~55" (91cm~140cm)
What's in the box：MS01-L sheet music stand *1 Pcs, Phone Flexible Arm Holder *1 Pcs, Tablet Flexible Arm Holder *1 Pcs, Extension plate *1pcs,Installation guide *1 Pcs.
Features:
★ Design of against the wall, it can be perfectly with keyboard instruments, effectively saving your space and easy to clean. Movable,with casters
★ Suitable for players of various instruments,such as keyboards, stringed instruments ,wind instruments,drums,etc. Whether you are standing or sitting, you can use it.
★ The angle for the tray of the music stand can be freely adjusting within 0~90° to suit your play at the best angle.or to place a projector or a laptop.
★ There are two brackets with screw holes on the back of the tray that can be used to attach other accessories,such as Music Stand Lights, Phone holders, Tablet Holders, etc.
★ Easy to install, you can complete the installation of the music stand in just 3 simple steps.