BEST VISUAL EXPERIENCE,HELP TO CORRECT THE "TEXT NECK": This upgrade cell phone stand holder is in accordance with ergonomic design. The height can be easily adjusted between 8.66in-14.96in (5.9in adjustable range). Providing you comfortable viewing angle which helps to fix your posture and reduce neck & back strain. THE BEST ANGLE ADJUSTMENT, 180 FLIP AND 360 ROTATION: This new version of the cell phone stand desktop supports 180 rollover and 360 rotation. You can have more comfortable angles, Like watching, reading, studying, playing, video calling or meeting. If you are a video blogger, the adjustable cell phone stand can provide a better phone support angle for your live. LIFETIME WARRANTY: Were so confident in our Angle Height Adjustable Phone Stand for Desk, we are offering a hassle-free replacement for all quality issues. Not for half a year, not for 18 months, but for an entire lifetime. Its the only cell phone stand you will ever need to buy. WEIGHTED METAL BASE WITH NON-SLIP PADS: As to ensure the stability of the phone holder, the base of this phone holder for desk is made of weighted excellent metal. The package of stand have a same size of thicken EVA mat with the base, paste in the bottom, can increase the stability of the stand and anti-slip, but also can better protect the desktop from scratches.