♪【Adjust Sitting Posture】: The tray design is aligned with the desktop to computer radiation and keep the eyes at an ideal distance from the monitor. ♪【90° Folding】: It can be folded when not in use to save space. When used at work, more items can be placed to increase the use space. ♪【Ergonomic Design】: Its ergonomic design relieves pain in the neck, shoulders, arms and wrists ♪【Arc Edge】: The outer side of the extender tray is rounded to protect users from scratches. ♪【Suitable for】: This multi-purpose desk extension can be used as an armrest, shelf, desktop extension board, computer mouse pad and device stand, etc.