Edifier X3S True Bluetooth Dual Earbuds comes with 50mAh (earbud) / 350mAh (Case), 8 + 20hours Battery. It is enhanced with more bass. These earbuds comes with USB Type C charging port, New Game mode. In this Edifier X3S, the Qualcomm True Wireless Mirroring technology supports dynamic and seamless bud-to-bud role swapping. The Bluetooth V5.2 ensures stable connection up to 28 hours of playback in total. In this Edifier X3S, Game mode is supported for an immersive gaming experience. Here, used Qualcomm cVc 8.0 technology for clear phone calls, this Qualcomm aptX audio decoding provides lossless transmission of audio. This Earbuds are IP55-rated dust and water resistance for outdoor scenarios. It is also has Touch Control: Play/ Pause/ Prev/ Next/ Pickup/ End Call/ Volume Control. The X3s earbuds come with IP55 rated, making them both dust and water-resistant. You can use these earbuds at the gym or on a rainy day. The optimized CVC8.0 noise-canceling technology accurately filters out ambient noise and produces much-improved voice clarity and call quality. The latest Edifier X3S Bluetooth Dual Earbuds has 01-year warranty