<ul> <li>Bluetooth version: V5.1</li> <li>Noise reduction version: CVC8.0</li> <li>Working distance: connect within 5-10 meters</li> <li>Single ear capacity: 50 mA</li> <li>Continuous dialogue: 3-4 hours</li> <li>Continuous music time: 3-4hours (up to 70%)</li> <li>Compatible system: Suitable for mobile phones with Android 5.0 or higher or iOS 9.0 or higher.</li> </ul>
