Adopt compression spring rod design to stabilize both sides of the metal rod of the car sleeper Free your hands and turn into a car animation theater in seconds The orientation angle of the bracket can be adjusted at will to protect the cervical spine Extra lick Silicone cushion, anti-slip Support 4.7" to 12.9" inch mobile phone or tablet device Push-type design, the width can be adjusted at will Length: the longest is 150mm, the shortest is 110mm