-This wireless Bluetooth earphone is simple and convenient to carry, can be folded, and can be easily placed in luggage and backpacks -The length of the earphones can be adjusted to conform to ergonomic design, providing a comfortable fit -Reminder: To make wearing more comfortable and sound quality better, please remove the headphones every 1-2 hours and let your ears breathe and relax appropriately. -Our headphones are the best gift for children, allowing them to fully utilize their learning and entertainment, experience happiness, and create a better and harmonious family atmosphere<