Superior Sound Quality: Experience high-fidelity stereo sound with the dodocool True Wireless Stereo Earbuds, powered by the advanced Realtek 5.0 chip. Enjoy crystal-clear audio with minimal delay, while the built-in microphone featuring CVC 6.0 noise reduction technology effectively isolates background noise, allowing you to enjoy HD hands-free calls even in noisy environments. Long Battery Life: These earbuds are equipped with a built-in lithium battery that fully recharges in just one hour. Enjoy up to 5 hours of talk time on a single charge, or benefit from an impressive standby time of up to 500 hours, ensuring your earbuds are ready whenever you need them. Stable Pairing Connection: With wireless version 5.0, enjoy a stable connection within a range of 10 meters (33 feet). The earbuds easily pair with most wireless-enabled smartphones, tablets, PCs, and other devices as soon as they are removed from the charging box, providing seamless connectivity. Sweatproof and Water Resistant: Designed to withstand sweat and rain, these earbuds are perfect for active lifestyles. Whether you're jogging, hiking, practicing yoga, or traveling, the liquid-resistant material helps prolong the lifespan of your earbuds. Portable Charging Case: The compact and lightweight charging box is easy to carry and fits conveniently in your pocket or sports bag. Ideal for driving, fitness, running, cycling, climbing, and other indoor and outdoor activities, ensuring your earbuds are always charged and ready. Convenient Function Keys: Manage your music and calls effortlessly with two function keys. Enjoy hands-free calling, replay the last number, and receive call reminders, all designed to meet your various needs and enhance your listening experience. Dual Function Portable Earphone Box: The portable earphone box not only stores your earbuds but also charges them up to four times, acting as a mobile power bank. This dual functionality ensures your earbuds are always powered up and ready to go. Comfortable Wearing Experience: Crafted from lightweight materials, these earbuds come with three soft ear caps and earplugs in sizes S/M/L, providing a personalized and comfortable fit. Enjoy a relaxed and secure wearing experience, perfect for extended use. Support Siri and Assistant: Once paired with your smartphone, you can easily activate Siri or the Google Assistant. Control smart home devices, manage tasks, and enjoy a smarter lifestyle with voice commands, making your daily routine more convenient and efficient.