Palm Treo 680 Smartphone Unlocked Wireless GSM Handheld Device General Features: Silver design GSM/GPRS quad-band world phone 850/900/1800/1900 MHz Class 10, Class B E-GPRS support (EDGE) Intel PXA270 312 MHz processor 64 MB non-volatile flash memory Palm OS 5.4.9 2.5-inch Touch-sensitive LCD screen (includes stylus) 65,536 colors (16-bit color) 320 x 320 pixels resolution Built-in QWERTY keyboard plus 5-way navigator Backlight for low lighting conditions MP3 player and VGA camera Built-in web browser User-adjustable brightness Conference calling with up to five callers Personal speaker phone Hands-free headset jack (2.5 mm) Compatible with Bluetooth wireless headsets Microphone mute option SD/MultiMediaCard/SDIO card slot TTY/TDD compatibility Talk time: up to 4 hours Standby time: up to 300 hours Full charge time: approx. 3.5 hours Unlocked Camera Features: Still image capture resolution: up to 640 x 480 2x digital zoom Video capture resolution: 320 x 240 (QVGA) Automatic light balance Connectivity Features: IR (Infrared) Bluetooth 1.2 Wireless Technology Unit Dimensions: 4.4 x 2.3 x 0.8-inches (H x W x D) 5.6 ounces (157 g) Regulatory Approvals: FCC CE CSA A-Tick