More Details:<br><br><br><br><br><br><br><br><br><br> Features: Voice prompt status of  the headphone， know more about headphone. There is a incoming call， you can answer Yes\/No to anwser or reject the call from others. Adjust volume and switch songs easily. Support to redial the final number. It is more convenient. After install a APP， the headphone can remote control to take photos. Connect to two device at the same time. Also can deal with more incoming call. Display Battery on iOS system and Android system. Can change language from Chinese to English. Android system APP download addres link: http:\/\/7xjzkw.dl1.z0.glb.clouddn.com\/EasyClick_lite.apk<br> Operation Guide:  Connect to two phones:  1. First smartphone pair and connect to headphone successfully.  2. Turn off headphone and the first smartphone's Bluetooth function. Then turn on the second smartphone， pair and connect to headphone like the first step. 3. Keep connection between second smartphone and headphone， turn on the first smartphone' Bluetooth function and connect to &amp;quot;OM-S3&amp;quot;.  Answer\/Reject phone: 1. Manually answer\/reject: when incoming call， press multifunctional button to answer call; If you keep long pressing on the button， you will reject the call. 2. Voice answer\/reject: when incoming call， after headphone prompt call number(Android system need install APP， then can prompt name)， just say &amp;quot;yes&amp;quot; or &amp;quot;No&amp;quot; to answer or reject the incoming call. 3. End call: when you are calling， press multifunctional button once.  Mute: 1. When you are calling， double-click &amp;quot;mute button&amp;quot;， talking turn mute， double-click again and recover talking.  Change Language: 1. Turn on headphone or headphone enter pairing mode(or LED indicator light turn red and blue)， keep press the multifunctional button and &amp;quot;+&amp;quot; button at the same time. The headset is switched between Chinese or English and the process will be in Chinese and English voice prompts.  Bluetooth wireless self-timer: 1. Before that， your phone need to install &amp;quot;Bluetooth take photos&amp;quot; APP， Android and IOS system have different software.  2. Turn on the camera APP， click headphone's multifunctional button， then take photos.   Specifications:<br>          General Specification             Brand Name        OMOY             Model Number        Q7             Color        Black             Wearing Type        In-ear             Material        PVC             Net Weight (kg)        18g             Dimensions (cm\/ inch)        60x60x45mm             Compatible With        All Bluetooth smartphone           Technical Parameters             Bluetooth Version         V4.1+EDR             Support Protocol        A2DP， HFP， HSP， headset， Hands-stereo             Bluetooth Chip        CSR8670             Transmission Prequency        2.4GHz