Huawei Bluetooth headset T0003 uses a dual-acting coil design and supports Bluetooth 5.1 technology, which brings faster connection speed and more stable audio transmission. The headphones are IPX4-rated waterproof and can be used in sports and outdoor activities. When using, just pair a mobile phone or other Bluetooth device can be easily connected, you can click or long press to control the volume, song play and answer, hang up and other operations, very convenient. It has a maximum battery life of 4 hours and also comes with a charging case, which provides an additional 36 hours of battery life for the headset. Overall, the Huawei Bluetooth headset T0003 is powerful and easy to operate, bringing users a comfortable and high-quality music experience.