Treo 600
| Manufacturers | Palm, (as the "palmOne") Handspring (before merger) | 
|---|---|
| Type | Smartphone | 
| First released | November 2003 | 
| Dimensions | 4.4 in × 2.4 in × 0.9 in (11.2 cm × 6.1 cm × 2.3 cm) | 
| Weight | 5.9 oz (170 g) | 
| Operating system | Palm OS 5.2.1H | 
| CPU | TI OMAP 1510 (144MHz MHz, ARM925T, 130nm) | 
| Memory | 32 MB, 24 MB available user storage | 
| Removable storage | MMC, SD, not compatible with SDHC | 
| Battery | 1800 mAH Lithium-ion | 
| Rear camera | 0.3-megapixel | 
| Display | 160x160 2.5in., 3,375-colors passive LCD, touchscreen | 
| Connectivity | USB, IrDA (SIR mode only) | 
| Data inputs | Keypad | 
Treo 600 was a smartphone developed by Handspring, and offered under the palmOne brand (later Palm, Inc.) after the merger of the two companies. Released in November 2003, it has a number of integrated features and it is possible to check the calendar while talking on the phone, dial directly from contacts list, take pictures or send emails. It includes a five-way navigation button and favorites screen allowing quick access to the phone functions.
On October 24, 2004, palmOne officially unveiled the Treo 600's successor, the Treo 650.