<ul> <li>With hooks, can be hung on backpacks, belts, bicycles, etc.</li> <li>Small and thin, lightweight and portable, can be easily carried</li> <li>With hands-free calling function, you can answer incoming calls with one click, no noise and no delay in noisy environments, just like face-to-face calls</li> <li>Designed with a digital display screen to show time and other data</li> <li>Bluetooth 5.0 technology, fast and stable connection</li> <li>IP67 dustproof and waterproof, durable to use</li> <li>Support TF card playback</li> </ul> <p><strong>Specification:</strong></p> <ul> <li>Battery capacity: 2200mAh</li> <li>Working time: 10-12 hours of continuous work at 60% volume</li> <li>Standby time: more than 300 hours</li> <li>Bluetooth range: 10 meters</li> <li>Bluetooth version: 5.0</li> <li>Charging time: 2-4 hours</li> <li>Rated power: 8W</li> <li>Waterproof grade: IP67</li> <li>Speaker: φ45mm 4Ω 8W</li> <li>Frequency range: 20Hz-20kHz</li> </ul>