The remaining battery charge of the headset is not displayed on the screen of an iPhone, iPad, or iPod touch.
- The remaining battery charge is shown only on the screen of an iPhone, iPad, or iPod touch (iOS 5.0 or later) that supports HFP (Hands-free Profile).
- Make sure that the iPhone, iPad or iPod touch is connected with HFP (Hands-free Profile). Otherwise, the remaining battery charge will not be displayed correctly.