N73 has a 2GB mini-SD card capable of storing up to 1500 song, it has 3G support, and a 3.2 megapixel camera with a Carl Zeiss Lens. The N73 Music Edition is equipped with connectivity options, but doesn't include Wi-Fi. It sports Bluetooth, infrared, and USB 2.0.
Email is also included with SMTP, IMAP4 and POP3 clients supported. Email attachments can be downloaded and saved to the N73 Music Edition's mini-SD card or to the 42MB of internal memory. The mini-SD card slot is cleverly located at the bottom of the handset. There is also regular MMS and SMS messaging with T9 predictive text input.
The N73 Music Edition includes an adapter to plug in a standard 3.5mm headphone jack. There is a digital music player with stereo audio supporting MP3, AAC, M4A, eAAC+ and WMA files. The device also includes RealPlayer, The N73 Music Edition is a USB mass storage device so files can simply be dragged and dropped onto the phone without using Nokia software.
It has a Symbian 9.1 operating system, the N73 Music Edition has a full array of smart phone applications, including Quickoffice Word, PowerPoint and Excel document viewers, a host of PIM features (calendar, contacts, to-do list, notes, recorder, calculator, clock and converter).
The N73 Music Edition's 3.2 megapixel camera features a Carl Zeiss lens, 20x digital zoom, a flash with red-eye reduction and autofocus. Capturing images at up to 2048 x 1536 pixels and has video recording also.