<b>Using Notation </b> <br> <br>First time use please pairing two earbuds first, after pairing success then use cellphone bluetooth to search and connect. If only one earbuds work, <br>please cancel all bluetooth connection on cellphone, restart two earbuds to pairing first,then connect with cellphone bluetooth. <br><b>High Performance In Sound Quality</b> <br>This ture wireless headphones will bring you a good sound quality of high plumpness, lot of heavy low bass,very good performance when listening the Rock’roll music or pop music.<br>It has reduction well if volume is high enough and music has a lot of bass. <br><b>Wearing Comfortable</b> <br>In ear design, the earbuds can more close to your ears, it can stayed in very well and <br>did not fall out of ears during gym workout or doing other sports. <br><b>User Friendly Informing</b> <br>The audio will inform you when the earphone connected or disconnected, when it power on or power off. It will inform you the calling phone number <br>You can control next song or previous song music pause or play,and answer the phone call. <br><br><b>PRODUCT DESCRIPTION: </b> <br><br>Product Name: Luisport IPX5 Waterproof Bluetooth Headphones Wireless Headphones Earbuds Cordless Headphones <br>Bluetooth Version:Bluetooth V5.0  <br>Communication distance: 20-30 feets.<br>Talk time: Type E 24 hours,Type F 150 hours <br>Play music: TypeE 24 hours,Type F 150 hours<br>Charging time: 1hours, DC5V 1A <br>Key function: power switch machine key(calling answer, pause or play music), the next song,the previous song<br>Pairing mode: boot automatically enters pairing mode <br><br><b>WHAT IN THE BOX: </b> <br>Type E 1 x Wireless Earbuds with battery case <br>Type F 1 x Wireless Earbuds with battery case