1. Please removed the plastic films cover on the charging points of the earbuds and get them fully recharged before first use. <br>2. If you receive defective products or have any questions during use, please feel free to contact us.<br><br><b>Advantages of T19 Wireless Earbuds</b><br>1.Easily change between single and binaural mode and enjoy one-click operation.<br>2.Convenient connection and continuous playtime give you incredible using experience.<br>3.Light weight, easy to carry, you can use it anytime anywhere, just enjoy your life.<br><br><b>Use The Control Button</b><br>Volume-: Click L Control Button 3 Times<br>Volume+: Click R Control Button 3 Times<br>Previous Song: Hold L Control Button for 2s<br>Next Song: Hold R Control Button for 2s<br>Play / Pause: One-click Either Control Button<br>Answer /End calls: One-click Either Control Button<br>Reject call: Double-click Either Control Button<br>Activate Siri: Double-click Either Control Button<br><br><b>Reset Steps(when the two earbuds can't pair with each other or can’t connect to your device):</b><br>1.Delete all T19 records on Bluetooth and turn off Bluetooth as well.<br>2.Long press both earbuds buttons for 8 seconds to turn off the earbuds.<br>3.Seconds later, long press both buttons at the same time for 10 seconds until orange lights flash twice. Reset completed.<br>4.Put both earbuds back into the charging case. You can start to reconnect the T19 to your devices. <br>