Advanced Bluetooth 5.3 TechnologyT30 earphones use V5.3 CSR technology and high-quality acoustic components to achieve lossless audio transmission, bringing a smooth and silky music experience.Comfortable physical noise reduction designT30 sleep earphones use physical noise reduction function, which is comfortable to wear and does not press the ears when sleeping on the side. The skin-friendly liquid silicone material provides a soft and comfortable feeling like jelly.Ultra-light and thin designT30 earphones weigh only about 0.14 ounces and are compressed to 10mm in thickness, which is suitable for long-term wear, especially for insomniacs, helping to fall asleep easily and improve sleep quality.Long-lasting battery lifeBuilt-in 300mAh large-capacity battery, charging only takes 2 hours, and can play continuously for about 24 hours, ensuring uninterrupted music enjoyment all day long.Convenient touch operationT30 earphones are equipped with a wide touch panel, which can be easily controlled with one button to achieve functions such as playing, switching songs, and answering or hanging up calls, which is convenient and fast.