Features: 1. Premium Material: uses high-quality materials and gold-plated metal contacts to great connection and sound quality. Use it to extends life of your phone cord and anti- phone cord.2. Rotation Anti- Cords: The Phone Line Detangler automatically rotates to effectively prevent your coiled phone cord from being tangled and messed up, and you would not feel frustrated with entangled cord.3. Easy to Use: Stop untangling telephone cords. With an easy to install phone detangler cords are a thing of the . Simply snap the detangler between the telephone handset and the cord.4. The telephone cable detangler applies to family or office fixed-line telephones which work with a standard RJ9 telephone line, 4P4C Gague handset coiled cord.size: Thread length about 3cm, length about 7cmMaterial: Plastic+Metalcolour: Black+TransparentPackage Contents:4 x Telephone Cord DetanglerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.