Let this BluedioQ5 Bluetooth V4.1 Wireless Sports Headset bring you shocking and stirring sound enjoyment from now on! Boasting its excellent craft and top-grade material adopted， this headset will make you scream once you wear it. With high-tech Bluetooth !#!amp!*! wireless technology， it could build a stable connection to other mobile device so as to let you get access to more plentiful source. It has long-lasting and continuous working time as well as standby time， no fear that it may be interrupted. You will also get extreme comfort by wearing it!                                    Features             Bluetooth V4.1 shapes strong signal intensity， with excellent sound quality<br> Ergonomic design fully fits ear canal， comfortable and convenient to wear or remove<br> Professionally energy-saving circuit design， keep continuous working<br> High-tech Bluetooth technology， highly compatible with Android， IOS and software systems<br> Come attached with several accessories for convenience<br> Wireless design， free you from restraint for enjoying wonderful music   <br>                                                            Specifications            Bluetooth Version    V4.1    <br>Frequency Range    2.4GHz- 2.48GHz    <br>Operating Distance    Up to 10M    <br>Profiles    A2DP， AVRCP， HSP， HFP    <br>Frequency Response    20Hz - 20KHz    <br>Standby Time    Up to 220 Hours    <br>Music/Talk Time    About 7 Hours    <br>Operating Environment    -10 to 50℃    <br>Color    Blue !#!amp!*! White    <br>Dimensions    (1.46 x 1.18 x 1.10) " / (3.7 x 3 x 2.8) cm (L x W x H)    <br>Weight    0.60 oz / 17 g    <br><br>                                                             Package Includes            1 x Bluetooth Sports Headset<br>1 x USB Cable<br>1 x User Manual<br>6 x Ear Adapters<br>                                                            Extra Info