cordkeeper
nounUK /ˈkɔːdˌkiːpə/
US /ˈkɔːrdˌkiːpər/
A small thing that holds a cord or wire so it stays neat.
She wrapped the charger cable around the cordkeeper so it wouldn't tangle.
OTHER MEANINGS
2. A person whose job is to look after cords or ropes.
The stagehand worked as a cordkeeper during the show.
3. A small clip or strap used to bundle headphones.
He used a cordkeeper to keep his earbuds tidy in his bag.
4. A device that stores an electrical cord when not in use.
The vacuum has a built-in cordkeeper on the back.