The Nokia N81 comes with a 240 x 320 pixel resolution, color display that supports 16 million colors. The Navi wheel is touch sensitive. The internal storage on this phone is 12 MB with support for an 8 GB microSD card and it has 96 MB RAM. There is also a version with a standard 8 GB of internal storage. This makes up for the lack of an external card slot. Being a media phone, the Nokia N81 comes with stereo external speakers and a 3.5 millimeter audio jack.
Connectivity options on this phone are varied with GPRS, EDGE, 3G at 384kbps, Wi-Fi, Bluetooth and USB all available. You can make use of these connectivity options with the full HTML browser and support for downloads of N-gage games as well as Java and other applications.
There is a secondary video call camera on the Nokia N81 as well as a 2MP 1600 x 1200 pixels camera with an LED flash.
Additionally there is a stereo FM radio on this mobile phone as well as a music player that supports MP3, WMA, WAV, RA, AAC and M4A audio formats, while the video player supports WMV, RV, MP4 and 3GP video formats.