Connecting my Liberty non plus:
03-09 17:55:05.857 4041 4194 D A2dpStateMachine: A2DP Codec Selectable Capability: {codecName:AAC,mCodecType:1,mCodecPriority:2001,mSampleRate:0x1(44100),mBitsPerSample:0x1(16),mChannelMode:0x2(STEREO),mCodecSpecific1:0,mCodecSpecific2:0,mCodecSpecific3:0,mCodecSpecific4:0}
03-09 17:55:05.857 4041 4194 D A2dpStateMachine: A2DP Codec Selectable Capability: {codecName:SBC,mCodecType:0,mCodecPriority:1001,mSampleRate:0x1(44100),mBitsPerSample:0x1(16),mChannelMode:0x3(MONO|STEREO),mCodecSpecific1:0,mCodecSpecific2:0,mCodecSpecific3:0,mCodecSpecific4:0}
Connecting my Liberty+
03-09 17:55:32.108 4041 4194 D A2dpStateMachine: A2DP Codec Selectable Capability: {codecName:SBC,mCodecType:0,mCodecPriority:1001,mSampleRate:0x1(44100),mBitsPerSample:0x1(16),mChannelMode:0x2(STEREO),mCodecSpecific1:0,mCodecSpecific2:0,mCodecSpecific3:0,mCodecSpecific4:0}
How unfortunate, thank you for warning me OP, I can send them right back to Amazon in mint condition, never took them out of the foam.
Edit:
The response the support gave pretty random and I did not understand it.
But it sounded like they use some proprietary solution and only their App on iOs can encode AAC compatbile with the Liberty+