【Advanced Bluetooth 5.3 Technology】The T30 earbuds adopt CSR V5.3 technology and high-quality acoustic components to achieve lossless audio transmission, bringing a silky music experience. 【Comfortable Physical Noise Reduction Design】T30 sleep earbuds adopt physical noise reduction function, which is comfortable to wear and will not put pressure on the ears when sleeping on the side. The skin-friendly liquid silicone material provides a soft and comfortable jelly-like feel. 【Ultra-Lightweight and Slim Design】The T30 earbuds weigh only about 4 grams and are compressed to 10mm thickness, which is suitable for long-term wearing, especially for insomniacs, helping you fall asleep easily and improve your sleep quality. 【Long Battery Life】Built-in 300mAh large-capacity battery, charging only takes 2 hours and can play continuously for about 24 hours, ensuring uninterrupted music enjoyment throughout the day. 【Convenient Touch Function】The T30 headphones 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 quick.