<h4>Hoco Ear‑Clip TWS Bluetooth Earbuds – EW57, Black</h4> <p><span class="OverviewTab_columnTitle__oz0uc">Highlights</span></p> <ul> <li>Bluetooth 5.3; Chip: Zhongke Languo 8926B2</li> <li>Battery Capacity: Charging Case 450mAh; Earbuds 70mAh</li> <li>Usage time: 11 hours</li> <li>Size: 74*45*40mm; Total weight: 62.8g</li> <li>Open ear TWS earphones 6, supporting master-slave switching, track switching up and down, and invoking Siri, among other features.</li> </ul>