HTC Nexus One is a gsm unlocked quadband hsdpa 3G cell phone. It has a Tft resistive touchscreen which is 3.7 inches with an accelerometer sensor for UI, plus auto-rotation. It also has Multi-touch input method, Touch-sensitive controls, Trackball navigation and Proximity sensor for auto turn-off.
The HTC Nexus One has a speakerphone, it also has an mp3 and mp4 player for music and video playback. The HTC Nexus One has a 512 MB of internal memory and a microSd memory card slot that lets you expand memory upto 32gb. It has a 5 Mp camera with led flash & autofocus that lets you take awesome pictures. It also has geo-tagging and Video recording capability.

The battery for this phone allows you to talk upto 10 hours on 2G and 7 hours on 3G. Music play on Nexus one lasts upto 20 hours.