[Volume limit] It is equipped with a 3-step volume limit function of 74/85/94dB. By setting the maximum volume to 94dB, it protects your child's hearing and prevents excessive volume due to incorrect operation. * The volume limit switching function is supported only when connected via Bluetooth. When connected by wire, the maximum volume is always 85 dB (cannot be changed). [Convenient buttons] It is equipped with convenient buttons that make it easy to play/pause music, forward/backward songs, lighting modes, and more. You can control your music without taking out your smartphone. [Size adjustable] It has soft ear pads that wrap around your ears and an adjustable headband, making it comfortable to wear for long periods of time. 【Foldable】 The headphone body is foldable, making it convenient to take with you when you travel. 【Versatile】 It supports a variety of activities such as listening to music for children, language learning, online study, watching dramas, etc. It is an indispensable item for studying and entertainment. [Type-C Rechargeable] It can be used continuously for up to 40 hours on a single charge. If it is in wired mode, you can use it without worrying about charging. [Ideal for gifts] Available in bright blue and purple, it is the perfect gift for children of all ages, such as Christmas, New Year, and birthdays. * The microphone function is only compatible with Bluetooth connection. Please note that it cannot be used with a wired connection. ◇ Pressing the "+" button and the "-" button at the same time has different functions depending on how you press it. At the same time, you can short press once to switch the volume limit. Press and hold for more than 4 seconds to reset the pairing and disconnect. ◆ Recommended Bluetooth version: Bluetooth 4.0 or later * Devices equipped with older Bluetooth versions such as Bluetooth 2.1 may not be able to connect or operate properly. * The Bluetooth transmitter may not be connected or operated properly depending on the compatibility of the model.