🎶 Wired 3.5 mm Connectivity: Standard audio jack works with most phones, tablets, laptops and devices with a headphone port. 
Specifications
- <p><strong>Model:</strong> Earldom E43 (sometimes labeled ET-E43) </p><p><br></p><p> • <strong>Type:</strong> Wired <strong>in-ear earphones</strong> </p><p> • <strong>Connector:</strong> <strong>3.5 mm audio jack (AUX)</strong> — works with phones, laptops, tablets and other devices with a headphone port </p><p> • <strong>Cable Length:</strong> ~<strong>1.2 m</strong> (120 cm) </p><p><br></p><p><strong>📊 Audio Performance</strong></p><p> • <strong>Impedance:</strong> ~<strong>16 Ω</strong> (ohms) — typical for basic wired earbuds </p><p> • <strong>Sensitivity:</strong> ~<strong>92 ± 3 dB</strong> — indicates sound output level per input power </p><p> • <strong>Frequency Response:</strong> Roughly <strong>20 Hz – 20 000 Hz</strong> — standard range for full-range audio </p><p> • <strong>Driver (Speaker) Type:</strong> Dynamic / moving coil, approx. <strong>10 mm driver size</strong> </p><p><br></p><p><strong>📞 Other Features</strong></p><p> • <strong>In-ear design:</strong> For basic noise isolation and comfort </p><p> • <strong>Microphone:</strong> Some versions <strong>include an in-line mic for calls</strong> (varies by seller/market) </p><p> • <strong>Material:</strong> TPE and PU cable for flexibility and durability </p>