The TAGRY Bluetooth Headphones True Wireless Earbuds with LED Power Display are designed for various specific uses such as sports, fitness, and business, offering up to 60 hours of playback time. With sound isolation technology and a frequency range of 20~20000 Hz, these earbuds provide a high-quality audio experience. The touch controller, true wireless Bluetooth technology, and 33-foot Bluetooth range ensure convenient and easy use. The green carrying case is lightweight and waterproof, making it ideal for on-the-go use. Perfect for both adults and kids, these earbuds are a stylish and functional choice for those looking for wireless headphones. No retail box or manual