UK carrier O2 has launched Jet, the business-oriented, voice-centric handset.Jet is camera-free. It has a quad-band GSM/GPRS radio for networking and Bluetooth 2.0 for device connectivity. The 121g handset sports a 2in, 65,536-colour display to show off the device's "simplified user interface and streamlined functionality", as O2 puts it, that includes POP and IMAP email support. 

Specifications:

General    
Network     GSM 850 / GSM 900 / GSM 1800 / GSM 1900
Announced     2006, October
Status     Available
Size     Dimensions     117 x 47 x 20 mm
Weight     121 g

Display    
Type     TFT, 65K colors
Size      
Ringtones     Type     Polyphonic, MP3
Customization     Download, order now
Vibration     Yes

Memory    
Phonebook     Yes
Call records     20 dialed, 20 received, 20 missed calls
Card slot     No
     - 56 MB internal memory

Data    
GPRS     Yes
HSCSD     No
EDGE     No
3G     No
WLAN     No
Bluetooth     Yes
Infrared port     No
USB     Yes

Features    
Messaging     SMS, MMS, Email
Browser     WAP
Games     Yes+ downloadable, special offer
Colors     Black
Camera     No
     - Java
- T9
- Organizer
- To do List
- Stopwatch
- Calculator
- Built-in handsfree

Battery          
Standard battery, Li-Ion
Stand-by     Up to 540 h
Talk time     Up to 9 h 50 min

Review 

just to update things the signal aint great on this device keeps going off then on and the keypad is getting sticky

Source:
http://www.gsmarena.com/