It will never be a dream to take both loss-free music and smooth conversation if you ownthisA8 1-to-2 Universal High Quality Stereo Bluetooth 4.0 Headphones Headset (Support Reporting Phone Number)! As a perfect combination of the newest Bluetooth 4.0， intelligent CPU and high-end chip， our Bluetooth headphones stand out due to the brilliant sound quality and uninterrupted call. The headphones also come with a wired earphone. Supporting two Bluetooth devices at a time， our product will save you lots of troubles daily. And it will report the phone number for you when there is a call. Why are you still waiting?                                    Features             Support phone number reporting when there is a call<br> Compact and offer you amazing music when you are having sports<br> Let you experience superb stereo audio quality<br> Comfortable to wear， it allows you to have clear sound transmission without ambient noise and keep incoming communication private<br> Advanced technology in echo cancellation & noise reduction ensures exceptional sound quality<br> Support Bluetooth and hands-free function<br> Offer you about 7 hours talk time and 100 hours stand-by time<br> 1-to-2， support connection to 2 Bluetooth devices simultaneously <br>                                                            Specifications             Supporting Edition     Bluetooth 4.0    <br> Frequency Range     20-20，000Hz    <br> Transmission Power     Class2    <br> Microphone     Yes    <br> Transmission Distance     10m    <br> Calling Time     ≥7 hours    <br> Standby Time     100 hours    <br> Charge Time     3-4 hours    <br> Operating Voltage     3.6V    <br> Operating Current     ≤50mA    <br> Standby Current     ≤40mA    <br> Dimensions     (1.18 x 0.83 x 0.87)" / (3 x 2.1 x 2.2)cm (L x W x H)    <br> Weight     0.21oz / 6g    <br> Color     Golden     <br>                                                             Package Includes            1 x Bluetooth Wireless Headset<br>1 x USB Cable<br>1 x Wired Headset<br>1 x Ear Hook<br>1 x Manual<br>