<p>BT4.1 Earphone Wireless Headset with Microphone for All Phone Headphone Sport</p><p> </p><p> Characteristics:</p><p> This wireless Bluetooth hands-free headset provides a quiet and comfortable listening experience.</p><p> Specially designed with an in-ear style that gives you ultimate comfort and fit. Stylish design and advanced technology, you will be cool and stylish once wearing it.</p><p> CVC 6.0 Noise reduction, clear talk while liberating your hands, keeping maximum comfort while looking good. Designed for sport, resistant to perspiration.The latest Bluetooth V4.1 technology.Calls to support the high definition microphone.</p><p>Specification:</p><p> Model: SM50043</p><p> Bluetooth model: Bluetooth 4.1</p><p> Bluetooth protocol: A2DP AVRCP HFP HSP</p><p> Battery: 3.7V 60mAh</p><p> Operating range: 10 m</p><p> Charging power: 5V / 80mAh</p><p> Sensitivity: 110db</p><p> Impedance: 32Mw</p><p> Charging time: about 2 hours</p><p> Talk time: up to 4 hours</p><p> Music time: up to 4 hours</p><p> Standby time: approximately 100 hours</p><p> Product Weight: 14g Package including:</p><p> 1 x Bluetooth wireless headset</p><p> 1 x USB charging cable</p><p> 1 x User Manual</p>