Main Features:<br />Neck strap design， cable length adjustable<br />Noise and echo cancellation function<br />Bluetooth hands free， enhance driving safety<br />One-button control， easy to reach and hang up phone calls<br /><br />    Specifications<br />General<br />  Model  : HBS-700                                                  <br />                        Color : Black， White， Blue， Orange                                                  <br />                        Wearing type : Neckband                                                  <br />                        Function : Song switching， Bluetooth， Noise Cancelling， Microphone， Voice control， Answering phone                                                 <br />Specification<br />  Connectivity : Wireless                                                  <br />                        Connecting interface : Others                                                  <br />                        Application : Mobile Phone                                                  <br />                        Plug interface: Micro USB                                                  <br />                        Power supply: 3.7V 180mAh rechargeable battery                                                  <br />                        Working time: Talk time: 10 hours， Music play time: 8 hours                                                  <br />                        Standby time: About 300 hours                                                  <br />                        Charging time: 2 hours                                                 <br />Extended Function <br />  Bluetooth: Yes                                                  <br />                        Bluetooth version: V2.1+EDR                                                  <br />                        Bluetooth distance: W/O obstacles 10m                                                  <br />                        Bluetooth mode: Headset， Hands free                                                 <br />Dimension and Weight<br />  Product weight  : 0.030 kg                                                  <br />                        Package weight  : 0.250 kg                                                  <br />                        Product size (L x W x H) : 16.5 x 12.0 x 1.5 cm / 6.5 x 4.7 x 0.6 inches                                                  <br />                        Package size (L x W x H) : 24.0 x 19.0 x 5.0 cm                                                 <br />Package contents<br />  Package contents: 1 x Bluetooth Earphone， 4 x Earbud， 1 x USB Charging Cable， 1 x User Manual                                                 <br /><br /><br /><br />                                            <br /><br /><br />                                                <br />