Lspenor Bluetooth Headphones Earbuds Stereo,Wireless Earbuds Mic Mini in-Ear Earbuds Earphones Earpiece Sweatproof Sports Earbuds Charging Case Compatible with iOS Android Smartphones

User Tips: In Stereo Mode, when you use it as a pair, both earbuds can control the media (such as Play/Pause, recall and so on) from its own button. Please be informed that you can only hear the voice from one earbud when you are in a call in Stereo Mode. Twins Pairing: 1. Long press the power button of the pair of earphones at the same time until the led flash in blue and red alternately. 2. Then double click EITHER side to enter pairing mode,or press the button for 3 seconds,there would be reminding voice"ready to pair".