Main Features:<br />Collapsible Headphone easy to carry<br />Enjoy MP3 format music stored in your memory card ( up to 32G )<br />Enjoy FM broadcasting program including part of campus broadcasting programs<br />Enjoy music with other devices by accessory connector<br />Noise Cancelling， with microphone， voice control， FM function， song switching<br />You can enjoy your music when having a sport<br />Talk hands-free with Bluetooth technology-enabled mobile phones<br />Enjoy basicremote control operation of music plalyer functions via Bluetooth connection<br />Bluetooth V4.0 for higher puality audio with less interference and lower power consumption<br />Compatible Bluetooth profiles: A2DP， AVRCP， HSP， HFP<br />Operating temperature: -15 Degree centigrade - 55 Degree centigrade<br />Speaker dimensions: 40mm<br />Magnetic type: Nd<br />Compatible with portable media player， mobile phone， computer， etc<br /><br /><br /><br /><br /><br /><br />    Specifications<br />General<br />  Model  : Q8-851S                                                  <br />                        Color : Orange， Orange， Green， White， Black                                                  <br />                        Wearing type : Headband                                                  <br />                        Function : MP3 player， Answering phone， Microphone， Song switching， Noise Cancelling， Voice control， Bluetooth， FM function                                                 <br />Specification<br />  Connectivity : Wired and Wireless                                                  <br />                        Connecting interface : 3.5mm， USB                                                  <br />                        Application : Sport                                                  <br />                        Frequency response : 20~20KHz                                                  <br />                        Impedance : 32ohms                                                  <br />                        Sensitivity : 108dB                                                  <br />                        Talk Time: About 6 Hours                                                  <br />                        Music Time: 4 - 5 Hours                                                  <br />                        Standby time: About 72 Hours                                                  <br />                        Charging time: About 2 Hours                                                 <br />Extended Function <br />  Bluetooth: Yes                                                  <br />                        Bluetooth version: V4.0                                                  <br />                        Bluetooth distance: W/O obstacles ≤10m                                                  <br />                        Bluetooth protocol: A2DP， AVRCP， HSP， HFP                                                  <br />                        Bluetooth mode: Hands free， Headset                                                  <br />                        External memory: TF card                                                  <br />                        Max. of External memory: 32GB                                                 <br />Dimension and Weight<br />  Product weight  : 0.141 kg                                                  <br />                        Package weight  : 0.287 kg                                                  <br />                        Package size (L x W x H) : 15 x 15 x 7.3 cm / 5.90 x 5.90 x 2.87 inches                                                 <br />Package contents<br />  Package contents: 1 x 4-in-1 Earphone， 1 x USB Charging Cable ( 0.23m )， 1 x English and Chinese User Manual                                                 <br /><br /><br /><br />                                                <br />