Stereo sound: The earbuds provide you with stereo sound effect because it adopts HiFi technology, giving you a good listening and gaming experience. Long-lasting rechargeable: These earphones is designed with a rechargeable case, which can be used for a long time after fully charged, the earbuds can be used for about 5h constantly and the charging case can last for about 24h. Adjustable: You can adjust the gaming and music listening mode according to your like, and it adopts bluetooth-compatible V5.0 chip, easy to pair and use. canceling: The headphone works with a good performance because it is designed with smart canceling mode, improving the calling quality and freeing your hands. Portable: Designed with a small size and lightweight, this headset is easy to store and carry, suitable for gaming, working, playing, driving and other occasions.