【Large Capacity Portable Charging Case, 24 Hours of Continuous Play】Headphones can be used for 4-5 hours in a single time, equipped with 400mah large capacity charging case, can charge 4-5 times, use for up to 24 hours | 【Latest Bluetooth 5.0】Excellent sound quality, Advanced Bluetooth 5.0 technology, delivers first-class sound, provides faster pairing, the connection more stable and working distance is 10-15 meters. | 【One-step Pairing】After first time pairing, you don't need to manual turn on the earbuds for using, you just need to open the case cover, then it will automatically power on and reconnect to your device that has been paired. | 【Binaural Separation Design】 The headphones can be used independently, they can connect two devices at the same time. Adapt to multiple use needs. | 【Intelligent Noise Cancelling, Pure and Natural Sound Quality】 Using CVC echo reduction technology, effectively filter environment noise. Give you a better experience of enjoying music.