Specifications: Material: PVC Color: black Size: height: 1.75 inch, top interface width: 1.45 inch, bottom interface: 1.7 x 0.65 inches Weight: 150g/5.29oz Quantity: 1 Power Supply Voltage: 12–220V Why you need our product?-1.This product breaks through the limitation of a single interface and supports the simultaneous connection of two in car devices, allowing for the freedom of device matching for multiple driving scenarios.-2.The compact size of this product can easily fit into the narrow space of armrest boxes and tool kits, without causing storage burden when carried in the car.