The Treo is a smartphone and is manufactured by Palm. Originally developed by Handspring, a smartphone can be thought of as a phone with integrated PDA features. A smartphone enables you to make calls, plan your calendar, check email or surf the web.

Here is a list of current Treo smartphones that are currently available for purchase if available through your wireless provider:

• Palm Treo 755P
• Palm Treo 750
  
• Palm Treo 750v
• Palm Treo 700p
• Palm Treo 700wx
• Palm Treo 700w
• Palm Treo 680
  
• Palm Treo 650

The following is a list of previous Treo smartphones. While they are not available through your wireless provider, it is still possible to find them used on eBay or Craig's List.

• Palm Treo 600
• Palm Treo 300
• Palm Treo 180
• Palm Treo 90