Using advanced Bluetooth V5.1, the transmission speed is faster and stable, giving you an unparalleled audio experience. Remove the Bluetooth earplugs from the charging box, they will seamlessly connect with all Bluetooth-enabled devices, up to 33 feet (approximately 10.1 meters). 10 meters away. No distortion and delay, make your music and calls worry-free.[Advanced Stereo & HD Call] The Q82 true wireless headset is equipped with a high-fidelity speaker, which truly reproduces the original sound. Not only can you enjoy powerful bass, you can also enjoy high-quality sound and balanced sound quality. In addition, through the CVC8.0 noise reduction function, you can suppress the environmental noise during a call, allowing you to easily hear the sound you want to hear. Immersive 3D stereo sound effects and clear audio are perfect for enjoying music and hands-free calls Ergonomic and comfortable sports design: This Bluetooth headset is ergonomically designed to provide a safe fit, while ensuring that the ears are fatigue-free and long-lasting comfort. Whether you are running or jumping, this wireless headset will be firmly fixed in your ears. The IPX7 waterproof design protects your earphones from sweat, splashing water and sudden rain, making it ideal for jogging, yoga, cycling, etc.