Palm Treo Pro Phone (Sprint) This unlocked cell phone is compatible with the Sprint Network. It will not work with GSM carriers like AT&T and T-Mobile. Wi-Fi connectivity (802.11b/g), GPS for turn-by-turn navigation, 2-megapixel camera/camcorder, Up to 5 hours of talk time, up to 250 hours (10+ days) of standby time Sreamlined smartphone with Windows Mobile 6.1 for access to push email, full QWERTY keyboard, large color touchscreen Bluetooth for handsfree communication and stereo music streaming