Upgrade Plus Earphone Covers elevate your listening experience with exceptional sound quality, comfortable fit, and seamless connectivity. Expertly crafted drivers deliver crystal-clear audio, while the ergonomic design ensures a secure and comfortable fit for extended use. Bluetooth 5.2 technology provides a stable connection, and the IPX-rated waterproofing allows for worry-free use in any conditions. The charging case extends battery life, and the included user manual ensures effortless setup.