As to this Q9 Smart Bluetooth V4.1+EDR Wireless Earphone、 with high-tech Bluetooth、 it ensures the strong signal intensity of this earphone. And with sophisticated chips、 this earphone features stable performance and fast transmission. Thanks to its ergonomic design、 it perfectly fits ear canal for providing comfortable and convenient wearing. All in all、 it is characterized by its good noise reduction and good sound quality. It surely is highly compatible with many digital devices!                                    <p>Features</p>            <ul><li> Bluetooth V4.1 shapes strong signal intensity、 with excellent sound quality</li><li> Ergonomic design fully fits ear canal、 comfortable and convenient to wear or remove</li><li> Great noise reduction technology、 promoting audio transmission</li><li> Professionally energy-saving circuit design、 keep continuous working</li><li> Perfectly compatible with laptop、 cellphone、 PC and so on</li><li> Wireless bondage、 free you from restraint for enjoying wonderful music   </li></ul>                                                            <p>Specifications</p>            <table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Color</td><td width="365"> Blue 2. Dimensions: (1.50 x 0.87 x 1.18)" / (3.8 x 2.2 x 3)cm (L x W x H)</td></tr><tr><td width="131"> Weight</td><td width="365"> 0.53oz / 15g</td></tr><tr><td width="131"> Material</td><td width="365"> Plastic & Rubber</td></tr><tr><td width="131"> Model</td><td width="365"> Q9</td></tr><tr><td width="131"> Wireless Version</td><td width="365"> CSR V4.1+EDR</td></tr><tr><td width="131"> Wireless Profiles</td><td width="365"> Headset、 Hands Free、 A2DP、 AVRCP</td></tr><tr><td width="131"> Operating Distance</td><td width="365"> 10m</td></tr><tr><td width="131"> Talk Time</td><td width="365"> 4-6hours</td></tr><tr><td width="131"> Standby Time</td><td width="365"> 150hours</td></tr><tr><td width="131"> Charging Time</td><td width="365"> About 1.5hours</td></tr><tr><td width="131"> Charging Port</td><td width="365"> Miceo USB</td></tr><tr><td width="131"> Cable Lehgth</td><td width="365"> 21.26" / 54cm   </td></tr></tbody> </table>                                                            <p>Package Includes</p>            <ul><li>1 x Wireless Bluetooth Earphone</li><li>1 x USB Cable</li><li>1 x Package of Ears Caps </li><li>1 x Leather Sheath</li><li>1 x User Manual </li></ul>