Rotatable DJ Pivot Headphones: Features Rotating?? 180-degree DJ pivot mechanism so you can keep one ear on your music and the other on external sounds.</br>Built-in Rechargeable Battery with iOS Indicator: The iOS battery indicator on your Bluetooth enabled device to show you in real-time how much battery life is a"ilable to prevent exhausted battery life.</br>Built-in Microphone: Omni-directional Microphone allows you to make -flawless hands-free phone calls.</br>Dual Mode Audio Input: You can feed audio to your headset via Bluetooth from any Bluetooth enabled