About this item EASILY INSTALL & TAKE OFF: The special clip design of the earhook connection allows you to install or take off the earhook in less than 1 second, making it more convenient than traditional methods. KEEP SECURELY: Upgraded ear hooks are designed to buckle the ear inward, ensuring that your earbuds stay securely in place and preventing them from falling out during activities like running, jogging, or cycling. COMFORTABLE FIT: Made of advanced thermoplastic polyurethane (TPU) for long-lasting comfort, you may hardly notice they are on your earbuds. COMPATIBLE WITH: Ear hooks are compatible with various earbud models, ensuring a snug fit for your listening needs. 2 Pairs: Includes 2 pairs (Middle & Large) of ear hooks, providing options for different daily use. Dimensions: 3.23 x 2.76 x 0.67 inches.