1.SAMLL - Wear comfortable?? hidden?? suitable for a variety of scenes</br>2. MULTIPOINT CONNECTION - At the same time connect 2 mobile phone</br>3.ENERGY CONSERVATION - Generally speaking?? the battery can keep 3.5 hours life for all this similar products?? but our products has a high capacity battery which 1.5 times than others.Premium quality lithium accumulator allows you listening audio on 30-40% volume about 7 hours and 6-8 hr "ng time?? 4.5 hr on full volume.</br>4. BLUETOOTH 4.1 & EDR TECHNOLOGY- Compatible with all Bluetooth-enabled devices. Instantly connected to your smartphone or tablet from up to 33 feet away.</br>5. MAGNETIC INDUCTIVE CHARGING - Never Have to fiddle with cords?? you put it to charge and pick it up when you are ready to go</br></br>Product Description</br></br><b>Features: </b><br> <br> 1.Hand free and music player;<br> 2.Bluetooth V4.1+EDR and range up to 10 meters on open air;<br> 3.Frequency: 2.4G;<br> 4.Charging time: 2 hours;Calling time: 6-8 hours (at 30-40% volume);<br> 5.Bluetooth earbud model: F10;<br> 6.Standby time: 200 hours;<br> 7.Listening Time: 7 hours (at 30-40% volume)<br> 9.Compatible with mobile phone??pad??notebook and any other bluetooth devices;<br> 10.Product Dimensions: 0.8 inch(length) X0.5 inch (wide)X0.56 inch (high)<br> <br> <b>Pairing Instruction :</b><br> <br> 1.Long press the Multi-function button for <b>5 seconds</b> at off mode?? and voice prompts <b>" to pair"</b>when the blue light flashed speed and continued.<br> 2.Activate the Bluetooth on mobile phone?? search and add new Bluetooth device from menu.<br> 3.Select "OCUSPOWER-F10" from Bluetooth device list on mobile phone to connect with the earphone.Voice prompt "Connected"is given after connection is completed. Now you ca