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 qualityErgonomic design fully fits ear canal， comfortable and convenient to wear or removeProfessionally energy-saving circuit design， keep continuous workingHigh-tech Bluetooth technology， highly compatible with Android， IOS and software systemsCome attached with several accessories for convenienceWireless design， free you from restraint for enjoying wonderful music                                                            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    Black !#!amp!*! Green    <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 Headset1 x USB Cable1 x User Manual6 x Ear Adapters                                                            Extra Info