High-definition display screen: With a color touchscreen, the wireless earbud charging case supports features such as short video playback and preference control, answering calls, and music playback. MP3 player function: Equipped with an MP3 player function, the touchscreen charging case supports multiple audio formats, including MP3, FLAC, and MAV. Simply connect your Bluetooth earbuds to the charging case to enjoy music anytime, anywhere. Customizable screens: The charging case comes with multiple screens and supports personalized display settings. You can easily upload a photo using the dedicated app to personalize the display screen. Long battery life: Equipped with a high-capacity charging case with a 600mAh lithium battery and 35mAh battery capacity for each earbud, these wireless earbuds can provide up to 30 hours of continuous music playback. Multi-app notification support: Stay informed with various app notifications on the charging case. Thanks to vibration alerts, you won't miss any important messages or updates.