Threepiece extension arm setup with a double axle extension and a retractable length of 4.72 to 10.63 inches provides a comfortable viewing distance for every rearseat passenger and helps reduce neck strain on long rides. Flexible viewing angle The car mount can swivel into the middle of two seats to share the screen. A 360degree rotating clamp ensures viewing from any position. Versatile compatibility Suitable for cars, SUVs, ATVs, and trucks. Holds most tablets and mobile phones from 4.7 to 13 inches, even in thick cases. Compatible with headrest bars sized from 0.4 to 6.3 inches. Safe and stable The 2bolt design minimizes the risk of the holder detaching during travel. The mounting system leaves 0.63 inches of space to insert the rod. Screws and clamps are covered with protective silicone to guard rods and devices from impact scratches. Use scenarios Family road trips: enable two rearseat passengers to share a single screen or use two devices with a single mount setup, reducing the need for multiple screens. Longhaul drives: keep children entertained with a tablet or phone mounted at an appropriate distance for comfort without constant adjustment. Daily commuting and road trips: versatile alignment to place the screen within easy reach and viewing angle for any passenger.