Characteristics of Nokia N91

Memory Functions

Up to 4GB of internal dynamic memory for music content (up to 3000 songs*), multimedia messages, ringing tones, images, video clips, and applications
Additional 30MB of storage for contacts, calendar notes and events, text messages.

* Capacity based on 3:45 minutes per song and 48 kbps eAAC+ encoding. Capacity with 128 kbps AAC encoding is up to 1000 songs.

Music (Music Player)

Intelligently designed music player - optimized for music listening
Dedicated playback keys and volume control
Enhanced on the go playlist management - edit playlists, add new music
Meta data for tracks can be viewed and modified directly on your N91
Enhanced music features: mixer, 5-band equalizer, loudness, music DRC (Dynamic Range Compression)
Answer calls while listening to music and music pauses and then resumes again when the call is ended
Smart integration with music services (easy access to music shop)
Music user profile or sim-less operation allows for uninterrupted listening
Transfer any multimedia content from PC to your Nokia N91*

Look at video

Imaging

2 Megapixel
Image viewers: JPEG, EXIF, GIF, BMP, PNG
Still Image resolutions: 1600 x 1200 (default), 640 x 480
Still Images file format: JPEG
Advanced camera modes: still, burst, video and options for night, brightness adjustment, image quality, and self-timer.
20 x digital zoom

Call Management

Contacts: advanced contacts database with support for multiple phone and e-mail details per entry, also supports thumbnail pictures and groups
Speed dialing
Logs: keeps lists of your dialed, received, and missed calls
Automatic redial
Automatic answer (works with compatible headset or car kit only)
Supports Fixed Dialing Number, which allows calls only to predefined numbers
Conference call

Voice Features