2020 NEW BLUETOOTH 5.0 3D STEREO EARPHONES Features: Touch: The latest touch earphones to keep up with the trend of the times. IOS Pop-up Pairing: IOS 11 or higher system supports pop-up pairing, and the window displays earphone power and charging case power. Support for Binaural Calls: With a built-in microphone on both sides earbuds, allows you to make hands-free calls from either one. Operation Method: There are touchpoints on the back of the two earphones and a button on the back of the charging case. Power On/Off: Press and hold the back of the earphone for 5 seconds. Switch Songs: Double-click the left earphone to switch to the previous song, double-click the right earphone to switch to the next song. Music Play/Pause: Click Pause, then click Play again. Answer/Hang Up: Click Answer, then click Hang up, press and hold for 2 seconds to reject the call. Charging Case Button: Press the button once to manually turn on the charging, and press the button again to manually turn off the charging.