Features:

• Unlocked for use with your existing GSM 850 MHz, GSM 1800 MHz, GSM 900 MHz or GSM 1900 MHz service provider and SIM card. Note: This phone does not come with service or a SIM card.
• Treo 600 combines a full-featured mobile phone and Palm OS organizer with wireless applications like email, text messaging, web browsing and even a digital camera
• QWERTY keyboard makes entering text and accessing information fast and familiar-perfect for messaging and a must have for email
• Take a picture or share images with others via email-you can even attach a photo to a phone number so you can see exactly who’s calling with Picture Caller ID
• Because Treo 600 runs the popular Palm OS, there are thousands of applications you can download and use

Specifications: 

• Backlit, 160 x 160 pixel color CSTN display with 3375 colors
• 144 MHz Texas Instruments OMAP ARM processor.
• 32 megs of RAM with 24 available to the user. Palm OS 5.2.1H.
• Size: 4.4 x 2.4 x 0.9 inches.  5.9 oz.
• Built in speaker.
• 16-channel MIDI polyphonic ring tones.
• Supports alarm sounds, LED alert and vibrating alerts.
• 1 MMC/SD slot supporting SDIO.
• Rechargeable Lithium Ion battery. Not user replaceable.
• Software: Palm OS 5.2.1H.
• Address Book, Date Book, Clock, To Do List, Memo Pad and Advanced Calculator.
• Blazer web browser 
  
• GSM/GPRS (AT&T/Cingular, T-Mobile and others): 850/900/1800/1900 MHz world phone.
• Camera: VGA 640 x 480 camera (.3 megapixels)
• No SIM card included, you must use your own or activate through your preferred carrier