It can’t be wiser to choose our E8 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. How can you miss it?                                    Features             Support phone number reporting when there is a call<br> Elegant 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 5 hours talk time and 80 hours stand-by time<br> 1-to-2， support connection to 2 Bluetooth devices simultaneously <br>                                                            Specifications             Supporting Edition     Bluetooth 4.0+EDR    <br> Frequency Range     20-20，000Hz    <br> Transmission Power     Class2    <br> Support Profiles     Heaset， Handfree， A2DP    <br> Transmission Distance     10m    <br> Calling Time     ≥5 hours    <br> Standby Time     80 hours    <br> Charge Time     3-4 hours    <br> Dimensions     (2.48 x 0.47 x 0.87)" / (6.3 x 1.2 x 2.2)cm (L x W x H)    <br> Weight     0.28oz / 8g    <br> Color     Silver & Black       <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>