Sony WH-CH500 Help Manual page 79

Wireless stereo headset

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Help Guide

Wireless Stereo Headset

WH-CH500

The remaining battery charge of the headset is not displayed on the screen of an

iPhone or iPod touch.

The remaining battery charge is shown only on the screen of an iPhone or iPod touch (iOS 5.0 or later) that supports

HFP (Hands-free Profile).

Make sure that the iPhone or iPod touch is connected with HFP (Hands-free Profile). Otherwise, the remaining

battery charge will not be displayed correctly.