K1: Product size 30.5 * 10.6 * 8.8cm, k2: Product size 29 * 20cm 360-DEGREE ROTATING--- The phone holder for desk can be rotated 360 degrees and adjusted to any angle or height you want. You can adjust the direction of the phone holder to the horizontal, vertical or any other position you need. The phone holder with 360 degrees rotating ball head can be adjusted to any height and angle, making it easy to filming, meetings, cooking, painting, and live streaming STABLE & STURDY--- extendable metal arm, strong phone holder are adopted to construct this overhead phone stand. Its adhesive backed base do well to hold the weight of the cellphone in the arm fully extending at a 90-degree angle without tipping over. Adhesive backed base stays stable and won't slide no matter rotating the suspension arm. High-quality aluminum construction offers better durability and stability. SECURE ANTI-SIP DESIAN--- the phone clamp features soft silicone padding inside to hold devices securely in place without causing scratches. A weighted base ensures stability throughout usage,eliminating unwanted wobbling. ADJUSTABLE LOOSENING KNOB--- There is an adjustable loosening knob on the elbow of the stand, which can be tightened after the mobile phone is put into the stand to ensure that the arm of the stand will not be tilted. EXTENDABLE AND ADJUSTABLE--- The 16.2 inch arm is long enough for all your desktop recording needs. It can be Adjustable length (11.4-16.2 inches). Easily reach hard-to-reach positions and angles without tools