Sony MDR-AS700BT - Manual (Page 37)

3. Listen to music played on the BLUETOOTH device, or make and receive a call
by operating the headset.
The headset supports the following BLUETOOTH version and profiles:
Communication System :
BLUETOOTH Specification Ver. 3.0
Compatible BLUETOOTH Profiles:
A2DP (Advanced Audio Distribution Profile): Transmitting or receiving audio
content of high-quality.
AVRCP (Audio Video Remote Control Profile): Controlling A/V equipment;
pausing, stopping, starting playback, etc.
HSP (Headset Profile)*: Talking on the phone/Operating the phone.
HFP (Hands-free Profile)*: Talking on the phone/Operating the phone by
hands-free.
* When you use a BLUETOOTH smartphone or mobile phone supported by both HFP
(Hands-free Profile) and HSP (Headset Profile), set it to HFP.
Notes
To use the BLUETOOTH function, the BLUETOOTH device to be connected
requires the same profile as that of the headset. Even if the device has the same
profile, functions may vary depending on the specifications.
Due to the characteristic of BLUETOOTH wireless technology, the sound played
on the headset is slightly delayed from the sound played on the BLUETOOTH
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