Nexus One

The Nexus One (codenamed HTC Passion) was Google's smartphone manufactured by Taiwan's HTC Corporation. It became available on January 5, 2010 and uses the Android open source mobile operating system. Features of the phone include the ability to transcribe voice to text, an additional microphone for dynamic noise suppression, and voice guided turn-by-turn navigation to drivers.

Full specifications:

Processor	Qualcomm® QSD8250™, 1 GHz
Operating System	Android™ 2.1 (Éclair)
Memory	ROM: 512 MB RAM: 512 MB
Dimensions (L x W x T)	119 x 59.8 x 11.5 mm ( 4.69 x 2.35 x 0.45 inches)
Weight	130 grams ( 4.59 ounces) with battery
Display	3.7-inch display with 480x800 WVGA resolution
Network1	HSDPA/WCDMA: 900/AWS/2100 MHz Up to 2 Mbps up-link and 7.2 Mbps down-link speeds Quad-band GSM/GPRS/EDGE: 850/900/1800/1900 MHz (Band frequency and data speed are operator dependent.)
Device Control	Trackball with Enter button
GPS	Internal GPS antenna
Connectivity	Bluetooth® 2.0 with Enhanced Data Rate and A2DP for wireless stereo headsets Wi-Fi®: IEEE 802.11 b/g Micro-USB port 3.5 mm audio jack
Camera	5.0 megapixel color camera with auto focus, 2X digital zoom, LED flash, and geo tagging
Audio supported formats	.aac, .amr, .awb, .wav, .mp3, .mid
Video supported formats	.mp4, .3gp, .3g2, .m4v
Battery2	Rechargeable Lithium-ion polymer battery Capacity: 1400 mAh Talk time: Up to 10 hours for 2G networks Up to 7 hours for 3G networks Standby time3: Up to 290 hours for 2G networks Up to 250 hours for 3G networks (The above are subject to network and phone usage.)
Expansion Slot	microSD™ memory card (SD 2.0 compatible)
AC Adapter	Voltage range/frequency: 100 ~ 240 V AC, 50/60 Hz DC output: 5V and 1A
Special Features	Proximity sensor Ambient light sensor G-sensor Digital Compass

The device is sold unlocked (not restricted to use on a single network provider). Google offered T-Mobile and AT&T versions of the phone online in the United States before closing the online store in July 2010. A version for use on Vodafone (European) networks was announced on 26 April 2010, available in the UK on 30 April 2010. On March 16, 2010, the Nexus One device became available on the Google web store for sale in Canada for use with most Canadian carriers. In May 2010 Google announced the closing of the web store, with the intention to distribute the phone through partners around the world.