Overview‎:‎D5 Professional Business Mini Bluetooth Headset‎,‎ Simple and Stylish‎,‎ soft silicone material‎,‎Bluetooth V4.1 High Quality Sound Performance‎,‎small and Light‎-weight Design‎,‎ Perfect for car driving‎,‎ working out‎,‎ Sport‎,‎ Running‎,‎ Gym Exercise or any other activity‎.‎Built in HD and Sensitivity microphone‎,‎ ideal for you to make and receive calls while outside‎,‎ in the car‎,‎ or in the office conveniently‎.‎Telephone number automatic Report‎,‎ single‎-click to answer or double‎-click to disconnect‎.‎ Specification‎:‎Multifunction button Switch machine ‎(‎long press 3 seconds to boot‎,‎ 5 seconds to turn it off‎)‎ Answer the phone or end a call ‎(‎Tap once‎)‎ Call‎-back ‎(‎Double click multifunction button‎)‎ In pairing state ‎(‎long press until the indicator light flashing in red and blue alternately‎)‎ Transfer calls with mobile phone ‎(‎Tap for 1 second while in a call‎)‎ USB charging 1‎-2 hours ‎(‎Full charged‎)‎ Standby time of 60 daysTalk time 32 hoursMusic time is 28 hoursBattery capacity 200mAhThe headset will has a good performance After a full charge The volumeThe volume increase/decrease ‎(‎Each times a volume level of change will happen‎)‎The LED In charging ‎(‎flashing red light when charging‎,‎ turns blue after full charge‎)‎ Lack of power‎(‎red light flashes 2 times‎,‎ and a voice prompt‎)‎ Applicable to‎:‎ For Apple IOS iPhone 7/6/5/4/ iPad SeriesFor Android Phone For Samsung/Sony/Motorola/Nokia/LG Phone SeriesFor Huawei/Xiaomi/Lenovo/Meizu/Oneplus/HTC/Letv Phone SeriesFor Most of Devices with Bluetooth ‎.‎‎.‎‎.‎ Packing List‎:‎1 x D5 Bluetooth Earphone Headset1 x Spare Ear cap1 x Earhook1 x USB cable1 x Vice Earphone1 x box