Huawei Enjoy 9 does not support the listening back function. Back listening function is part of the fixed-line and mobile phone has, the use of digital signal processing technology, can make the receiver will their own words in the call to hear from the handset at a small volume, to help the receiver better grasp the rhythm of speech, clarity, etc., so as to facilitate the call.
1. Turn on the phone and find the sound and vibration in the phone Settings.
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2, in the sound and vibration slide to find mobile KTV, click to enter.
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3, in the mobile KTV to find the singing bar, click to open.