The i-mate JAM is the smallest Pocket PC Phone to hit the market. It's also the smallest Pocket PC for that matter. It's the first with a 2.8" screen, but retains all the power of a full-sized Pocket PC.

Specifications

General
Network GSM 900 / GSM 1800 / GSM 1900
Announced 2004, 4Q
Status Available

Size
Dimensions 108 x 58 x 18 mm
Weight 150 g

Display
Type TFT touchscreen, 65K colors
Size 240 x 320 pixels, 42 x 57 mm
Handwriting recognition 

Ringtones
Type Polyphonic (40 channels)
Customization Download
Vibration  Yes

Memory
Phonebook In shared memory, Photo call
Call records Yes
Card slot SDIO/MMC, buy memory
64MB RAM
Intel PXA272 416 MHz processor

Features
OS Microsoft Pocket PC 2003 SE OS
Messaging SMS, MMS, Email, Instant Messaging
Browser WAP 2.0/xHTML, HTML (PocketIE)
Games Yes
Colors Stylish black and silver
Camera 1.3 MP, 1280x960 pixels, video
Pocket Office(Word, Excel, Outlook)
Java
Voice memo
MP3/AAC player
Video/audio album
T9
Built-in handsfree
Bluetooth Yes
Infrared port Yes
USB Yes

Battery 
Standard battery, 1200 mAh Li-Ion
Stand-by Up to 180 h
Talk time Up to 3 h 30 min

Review

Useless piece, i hate to use it, not handy, with out case and drops on floor, forget about the piece, hangs lot,editing viewing notes, appointment makes me crazy,its totally useless when compared with price,its neither a good phone nor hand pc.

Source:http://www.gsmarena.com/i_mate_jam-963.php