Important Information Material: Plastic, metal Package Size: 428 x 265 x 65 mm Description: Folding angle range:0~360 A second locking rotation of 360 degrees,convenient using gear design,and with the exact scale,can easily be precise angle adjustment and height adjustment. Method of use:Press and hold the button on top of the joints,can adjust the support and height,the button is loosened,the automatic fixed joint. Note:Please do not use alternating current.Do not use a hard object so as NOT to scratch the paint. Features: ?Multiple Functions? adjustable laptop table can be used as a cozy desk for bed or sofa, Writing standing desk, dinner TV serving tray, sound equipment, book holder, writing desk and tablet holder etc, meets all your different demands. ? Heat Dissapation? Ventilation holes could provide strong air flow to dissipate the heat from bottom of your notebook for better heat dissipation, it's more silent. Ergonomic Design?This laptop stand is designed with full control and flexibility for your convenience so that you can use your computer at the most comfortable position. It will reduce neck and shoulder stress due to hours of using your computers, benefits your health and make you free from the neck ache and shoulder pain caused by poor posture. ?Work From Home Desk?Best accessories for setting up your couch as a work station, you can get work done from the comfort of your bed too! The laptop holder allows you to use 13\'-17\' laptop and a computer mouse using on mouse pad side. With enough space, you can work comfortably. Benefits Your Health: This computer holder is designed with full control and flexibility for your at the most comfortable position. It will reduce neck and shoulder stress due to hours of using your computers, benefits your health and make you free from the neck ache and shoulder pain caused by poor posture. Specification? Weight:Approx.1.50kg Material:Aiuminum Folded Dimension:20.6x10.4x2in Package Includes:1x Portable Laptop Stand 1 x A Mountable Mouse Tray 1 x An Instruction Manual 2 x Black Non-Slip Baffle