Features:<br /><br />1. Ergonomic design｣ｬ silicone ear-hook｣ｬ it could prevent the earphone from sliding down while running｣ｬ comfortable long-time wearing.<br />2. Intelligent voice prompt｣ｬ it could indicate you the real-time state of the earphone｣ｬ such as pairing mode｣ｬ low battery and etc.<br />3. Handsf-free phone call｣ｬ you could just say &quot; YES&quot; to answer the call or sy &quot;NO&quot; to reject｣ｬ provide full sense of security for driving.<br />4. It support simultaneous connection of two Bluetooth devices. And it support power display for IOS and parts of Android phones.<br />5. Select CSR Bluetooth chip｣ｬ faster connection and stable signal｣ｬ it could transmit high bit rate in high speed.Specifications:General Specification  Model  S6  Color  Red｣ｬ Green｣ｬ Blue｣ｬ Black  Wearing Type  In-ear  Net Weight (g)  approx. 14.5gTechnical Parameters  Microphone  Yes  Wired Control  Support  Bluetooth Version  4.0  Transmission Distance  10  Receive Sensitivity  110dB  Distortion  &lt; 0.1%  Frequency<br />  Response  20-20kHz  Battery Capacity  150mAh｣ｬ 3.7V  Charging Time (h)  1-2h  Music Time (h)  4hPackage  Included: 1* S6 Bluetooth Earphone 1* USB cable 1* pair of earmuffs 1* Manual<br />