VEVOR Book Floor Stand, 180° Viewing Angle, Height & Panel Adjustable Reading Stand, Rolling Book Stand with 4 Wheels, for 4.5\'\'-12\'\' Phone, iPad and Books in Home Office, Black & White
Here is the link to the manual:<br/>https://d2v0huudrf11kh.cloudfront.net/vevor-center-goods/%E4%B9%A6%E6%9E%B6%E8%AF%B4%E6%98%8E%E4%B9%A6_1643083217009.pdf