Durable material: This data cable storage box is made of durable material that is not easy to get dirty. Stable and durable, not easy to damage. Pull out the bottom to use as a phone holder. A good helper for wire management: The tangled long rope can be arranged perfectly in seconds, hidden and clean, dust-free. It is very suitable for organizing your cables to avoid damage. How to use: Just insert the middle part of the wire into the slot on the shell, close the cover, then turn the middle slot switch until the wire retracts. To unfold, simply grab both sides of the rope and pull gently. Easy to use: This retractable cable management storage box can be adjusted to the cable length you want. Small size and light weight. You can put it in your pocket, backpack or suitcase when you go out. Scope of application: It can be used for USB cable, data cable, mouse cable, headphone cable, charging cable or other small diameter cables. It can be adapted to different cable lengths.