Truly Wireless Headphones Design??: No CABLE! Just said "" to the annoying headphones cord and wire?? you don't need to adjust the wire endless?? just put it in the ear and enjoy the music. This true wireless earbuds contains two pieces ( L & R) which can be used separately by you and someone you want to share it with. and You also can enjoy the stereo sound by using both earpieces. You can also use one of them(L or R )?? and enjoy dynamic music with just one earpiece.</br>??Advanced Bluetooth 4.2 Tech & Stable CSR Chipest??: More stable and faster connection with all the bluetooth enable devices?? including iPhone?? iPad?? Samsung?? Sony?? HTC and most android window IOS smart cell phones?? smart watch and more</br>??Superior Hifi Stereo Sound with CVC 6.0 Noise Reduction??: Hifi stereo output and adopts CVC 6.0 noise cancellation tech to reduce background offer super clarity sound and volume for music or answer phone call; Built in microphone?? you can answer calls. On-board control button "ss to Answer/End/Pause Call?? Adjust Volume?? Forward/Backward</br>??Sweat-free?? Moisture-free with Anti-slip Earhooks and Portable Carrying Pouch??: Cordless and anti-slip earhook design make it good for sport exercising?? training?? workout. Even wear it for business or travel without awareness that it is out there</br>?? Rechargeable and Reliable Li-ion Battery??: Enable play time up to 5-7 hours.Please read the instruction below carefully to learn how to use it. What you get in the box: True wireless earphones?? portable earbud carrying case?? Micro USB charging cable?? User manual?? (S?? M?? L) eartips. Any questions?? please feel free to contact us firstly. 30 days money back?? 180 days worry free warranty!</br></br>Product Description</br></br><b>How it Works</b><br><br><br>Distinguish the MFB button?? it is the middle key on the Left (L)or Right(R) earbuds<br><br>Distinguish Left (L) and Right (R) earbud from the mark on ear-tips<br><br> <br>Step 1: Turn off the "d <br>Step 2: Charging the " L" and " R" earbud fully?? it takes about 2 to 3 hours?? the blue light will keep steady on when fully charged <br>Step 3: Turn off all the bluetooth devices nearby?? the wireless earbud will automatically scan the bluetooth devices nearby?? and if it have been connected with other devices before?? it will connected with it firstly before it come to your phones <br>Step 4: Delete or remove the bluetooth pairing history on your phones. and then turn off the bluetooth function of your phones and then re-open it <br>Step 5: Choose one earbud( L or R