Main Features:<br />The latest Bluetooth version V4.0<br />Smooth A2DP stereo music play<br />Digital signal processing<br />Able to connect to two Bluetooth devices at the same time<br />Support English voice prompts， for Apple and some Android smart phones<br />Phones battery capacity display<br />Fully compatible with Bluetooth devices<br /><br /><br />    Specifications<br />General<br />  Model  : Fineblue HF88                                                  <br />                        Color : White， Red， Gold， Black， Gray                                                  <br />                        Wearing type : In-ear with ear hook                                                  <br />                        Function : Song switching， Bluetooth， Multi connection function， Voice control， Microphone， Answering phone                                                 <br />Specification<br />  Connectivity : Wireless                                                  <br />                        Connecting interface : Micro USB                                                  <br />                        Application : Computer， Portable Media Player， Mobile Phone                                                  <br />                        Cable length : No                                                 <br />Extended Function <br />  Bluetooth: Yes                                                  <br />                        Bluetooth version: V4.0                                                  <br />                        Bluetooth distance: W/O obstacles 10m                                                  <br />                        Bluetooth protocol: A2DP， AVRCP                                                  <br />                        Bluetooth mode: Headset， Hands free                                                 <br />Dimension and Weight<br />  Product weight  : 0.007 kg                                                  <br />                        Package weight  : 0.135 kg                                                  <br />                        Product size (L x W x H) : 1.5 x 1.4 x 5.6 cm / 0.59 x 0.55 x 2.20 inches                                                  <br />                        Package size (L x W x H) : 13.5 x 4.5 x 21 cm / 5.31 x 1.77 x 8.25 inches                                                 <br />Package contents<br />  Package contents: 1 x Earphone， 1 x Extra Earphone， 1 x Ear Hook， 1 x Micro USB Charging Cable， 1 x Chinese / English User Manual                                                 <br /><br /><br /><br />                                                <br />