The Latest hardware meets amazing Software

Nexus S is the next generation of Nexus devices, co-developed by Google and Samsung. The latest Android platform (Gingerbread), paired with a 1 GHz Hummingbird processor and 16GB of memory, makes Nexus S one of the fastest phones on the market. It comes pre-installed with the best of Google apps and enabled with new and popular features like true multi-tasking, Wi-Fi hotspot, Internet Calling, NFC support, and full web browsing. With this device, users will also be the first to receive software upgrades and new Google mobile apps as soon as they become available.

Availability
Availability T-Mobile (United States)
After Desember 16, Nexus S will be sold unlocked and carrier-independent initially through Best Buy stores in the U.S. and after December 20 at Carphone Warehouse in the UK.

Battery
Type Lithium Ion (Li-Ion) (1500 mAH)
Talk time 6.7 Hours on 3G (14 hours on 2G)
Standby time (max) 428 hours (17.8 days on 3G) and (29.7 days on 2G)

Storage and Memory
RAM 512 MB
Internal Storage 16384 MB

Connectivity
Network support Quad-band GSM : 850, 900, 1800, 1900 Tri-band HSPA: 900, 2100, 1700 HSPA type: HSDPA (7.2 Mbps) HSUPA (5.76 Mbps)
WiFi 802.11 b/g/n
Bluetooth Bluetooth 2.1
Infrared (x)
GPS (√)

Android
OS Version Android 2.3
UI Android

Size and Weight
Dimensions 63.0 m (w)
123.9 mm (h)
10.88 mm (d)
Weight 129.0 grams

Display
Screen size 4.0 inches
Screen resolution WVGA (800 x 480)
Touch Screen (√)
Contour Display With curved glass screen
Super Amoled
235 ppi

Hardware
CPU 1 GHz Cortex A8 (Hummingbird) processor
USB USB 2.0
Audio/headphone jack 3.5 mm
FM Radio (x)
Physical keyboar (x)
Accelerometer (√)

Software
Android 2.3 (Gingerbread)
Android Market
Calendar
Gmail
Google Earth
Google Maps with Navigation
Google Search
Google Talk
Google Voice
Voice Actions
Youtube

Camera
Primary Back-facing : 5.0 megapixels (2560 x 1920)
Front-facing : VGA (640 x 480)
Features Flash
Video resolution 720 x 480
H.264, H.263 MPEG4 video recording
Auto focus

Additional Features
Contour Display, Near Field Communications (NFC), Three-axis gyroscope, Anti-fingerprint display coating, Internet Calling support (VoIP/SIP)

Taken from :
http://www.google.com/phone/detail/nexus-s
http://www.google.com/nexus/#!/index