Fashionable Design: These wireless earbuds with lights feature a unique heart-shaped design with colorful gradient lights for a personalized look that goes perfectly with any outfit from sportswear to business attire. They stay in place even during intense workouts or sports activities.5.3 Chip, One-Step Pairing: The heart-shaped earbuds feature the latest version of 5.3 chip technology, which increases sound data transmission speed by 80%, enabling ultra-fast connection of 0.1S and lower energy consumption (up to 15 meters away). After the first connection, remove the earbuds and it will automatically pair with your device.Easy Charging: The charging case that comes with the earbuds is both stylish and practical. The earbuds can be safely and quickly placed in the case. The case is small enough to fit in your pocket or purse, so you can easily place the earbuds on it. In addition, the case supports charging for added convenience.Comfortable and Lightweight: These LED light-up wireless earbuds also come with original XXS size earbuds for those who prefer small earbuds. In addition, they are designed to be lightweight, so you can wear them comfortably on your ears without feeling any pressure.Multi-function: The cardioid earphones are suitable for a variety of purposes. Perfect for exercise, sports and outdoor activities, they provide excellent sound quality and comfortable fit, and are sweat and water resistant. Also great for travel. Also equipped with an external sound function that captures ambient sound and can be turned on or off. You can enjoy the conversation naturally even with the earphones on.