According to the Nokia N91 8GB support manual, this mobile device supports the following Bluetooth Profiles:

1) Advanced Audio Distribution Profile (A2DP)- A2DP describes how stereo quality audio can be streamed from a media source to a wirless headset

2) Audio/Video Remote Control Profile (AVRCP)- AVRCP is designed to provide a standard interface to control TVs, hi-fi equipment, or other to allow a single remote control (or other device) to control all the A/V equipment that a user has access to.

3) SIM Access Profile (SAP)- SAP allows devices such as car phones with built in GSM transceivers to connect to a SIM card in a Bluetooth enabled phone.