About this item EASILY INSTALL & TAKE OFF: The special clip design of the earhook connection makes you install or take off the earhook in less than 1 second, more convenient than the installation and disassembly from top to bottom. KEEP SECURELY: Upgraded ear hooks will buckle the ear inward, keeping your earbuds securely in your ears and preventing them from falling out when you are running, jogging, cycling, or doing other exercises [No problems even with glasses]. COMFORTABLE FIT: Made of advanced Thermoplastic polyurethane (TPU) to promise long-lasting comfort to your ears; you may not even feel it is on your earbuds. COMPATIBLE WITH: Ear hooks are compatible with various models of earbuds, including AirPods and similar designs. 2 Pairs: Comes with 2 pairs of ear hooks, one pair for use and another pair for spare. Dimensions: 3.27 x 2.8 x 0.51 inches.