# In IOS,when session become playandrecord, the sound is strange by bluetooth headset（only bluetooth and UNITY）

**URL:** <https://qa.fmod.com/t/in-ios-when-session-become-playandrecord-the-sound-is-strange-by-bluetooth-headset-only-bluetooth-and-unity/15785>\
**Category:** Unity\
**Created:** [May 18, 2020, 10:53am UTC](https://qa.fmod.com/t/in-ios-when-session-become-playandrecord-the-sound-is-strange-by-bluetooth-headset-only-bluetooth-and-unity/15785 "2020-05-18T10:53:28Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![chuyuwei](https://avatars.discourse-cdn.com/v4/letter/c/7feea3/32.png) [@chuyuwei](https://qa.fmod.com/u/chuyuwei)\
**Post date:** [May 18, 2020, 10:53am UTC](https://qa.fmod.com/t/in-ios-when-session-become-playandrecord-the-sound-is-strange-by-bluetooth-headset-only-bluetooth-and-unity/15785/1 "2020-05-18T10:53:28Z")

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when i want to record , the session become playandrecord ,the sound is strage by bluetooth headset.Can anyone help me

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**Author:** ![cameron-fmod](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/cameron-fmod/32/261_2.png) [@cameron-fmod](https://qa.fmod.com/u/cameron-fmod)\
**Post date:** [May 24, 2020, 11:14pm UTC](https://qa.fmod.com/t/in-ios-when-session-become-playandrecord-the-sound-is-strange-by-bluetooth-headset-only-bluetooth-and-unity/15785/2 "2020-05-24T23:14:48Z")

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What do you mean by the sound is strange?  
What version of FMOD and Unity are you using?