- Universal compatibility: fits 6"-13" smartphones or tablets, up to 0.78" (20 mm) thick, with a screen width of 5.5"–8.5" (14.0–21.5 cm). Provides broad compatibility for most devices your family uses. - 360° rotation and adjustment: enables flexible landscape and portrait viewing. Adjust for a comfortable back-seat position so your child can enjoy content without strain. - Fits most cars: suitable for car headrest bars spaced 2.0"–7.5" (5.1–19 cm). Works with trucks, SUVs, and sedans. Note: not compatible with cars lacking headrest bars. - Sturdy and safe: constructed from premium aluminum and ABS, with a triangular design for enhanced durability and stability. Non-slip rubber pads resist scratches and keep the mount steady while driving; provides space on both clip arm sides to charge the device. - Practical use scenarios: 1) Long road trips: rear-seat entertainment for movies, games, or educational apps. 2) Family drives: back-seat tablet for passengers to watch content together. 3) Ride-sharing or carpools: convenient back-seat device holder for learning apps or videos.