Klingg - Magnetic Earphone Cord Holder (Black / Blue) Multiple Sports Utility (MSU). Use the Klingg everywhere you wear headphones. Sports, pleasure, or business the Klingg can be used almost anywhere. Works with almost all headphones on the market Weight: 1 ounce (28.3 Grams) Size: 1.34 Inches X 0.87 Inches Powerful Neodymium Magnets. Strong enough to hold the Klingg in place through all materials tested. It even works through heavy winter jackets. Earbud holder. Get It On and keep it on. Even when earbuds are not in your ears the Klingg magnetically hold them to the soft grips on the sides. This feature may perform different with different earphones.