Main Features:<br />Wireless Bluetooth headset MP3 player<br />Bluetooth V3.0+EDR， fast and stable data tranmission<br />Multi connection function<br />Built-in high sound quality microphone<br />Adjustable band for adult and kids<br />3.5mm line-in audio interface for connection with mobile phones， computers<br /><br />    Specifications<br />General<br />  Model  : 5800                                                  <br />                        Color : Black                                                  <br />                        Wearing type : Headband                                                  <br />                        Function : MP3 player， Bluetooth， Multi connection function， Microphone， Voice control， FM function， Song switching                                                 <br />Specification<br />  Connectivity : Wireless                                                  <br />                        Connecting interface : 3.5mm， USB                                                  <br />                        Compatibility: Bluetooth enabled Smartphone， Tablet PC， Music Player                                                  <br />                        Application : Portable Media Player， Mobile Phone， Computer                                                  <br />                        Driver unit: 30mm                                                  <br />                        Frequency response : 20~20KHz                                                  <br />                        Power supply: Built-in 260mAh rechargeable lithium battery                                                  <br />                        Working time: Music playing time: 4 H; FM radio: 8H                                                 <br />Extended Function <br />  Bluetooth: Yes                                                  <br />                        Bluetooth version: V3.0+EDR                                                  <br />                        Bluetooth distance: W/O obstacles 10m                                                  <br />                        Bluetooth protocol: A2DP                                                  <br />                        Bluetooth mode: Hands free， Headset                                                  <br />                        External memory: TF card                                                  <br />                        Max. of External memory: 16GB                                                 <br />Dimension and Weight<br />  Product weight  : 0.166 kg                                                  <br />                        Package weight  : 0.340 kg                                                  <br />                        Product size (L x W x H) : 18.0 x 16.0 x 7.5 cm / 7.1 x 6.3 x 3.0 inches                                                  <br />                        Package size (L x W x H) : 20.0 x 16.0 x 9.0 cm                                                 <br />Package contents<br />  Package contents: 1 x Bluetooth Headphone， 1 x USB Cable                                                 <br /><br /><br /><br />                                                                                            <br />