Bluetooth 4.2 Wireless TWS In Ear Stereo Bass Earphone Headphone Headset MIC

 Features: -Compatible with various devices of Android, iOS and Windows system.-TWS earbud, can be used by two earbuds or one earbud independently-Hands-free phone call-CVC6.0 Noise reduction Use instructions:1.Two Earbuds Pairing: 1)Press the MFB button of either earbud to turn it on, the red indicator flashes2)Press the MFB button of the other earbud for 3s to turn it on, the red and blue indicator flash alternatively3)Then the two earbuds will be automatically linked, the indicator of the first earbud will be flashing blue light(once for every 5s).  If they does not, press the MFB button of the first earbud to make it search and link the other earbud.4)Turn on the bluetooth of your phone, connected with "TWS Earbuds".  The blue light flashes when connected successfully.5)Press either earbud for 3s to turn the earbuds off2.Single Earbud pairing: follow the "2)" and "4)" steps above.3.Music Control: Next song: Short press the MFB button twice4.Phone Call:-Answer/END short press MFB bu