Here are some of the main features of the [smartphone model]. Please add more fun features that you've used.

Operating System	Windows Mobile® 6 Professional
Keyboard	LCD touch screen
Applications
Processor	TI's OMAP™ 850, 201 MHz
Memory	ROM: 128 MB and SDRAM: 64 MB DDR
Display	2.8" LCD touch screen with backlight
Technology	HTC TouchFLO™ 5-Way navigation control
Frequency	GSM/GPRS/EDGE Tri-band: 900, 1800, 1900
Wi-Fi	Wi-Fi® IEEE 802.11 b/g
Bluetooth®	Bluetooth® 2.0
Email	HTC ExtUSB™ (11-pin mini-USB and audio jack in one)
Battery	Rechargeable Li-lon battery Capacity: 1100 mAh Standby time: Up to 200 hours Talk time: Up to 5 hours
Speakerphone	Included
Internet	Yes
Built-in Camera	2.0 megapixel CMOS color camera
Caller ID	Yes
Audio
Video
I/O Interface	HTC ExtUSB™ (11-pin mini-USB and audio jack in one)
Expansion
TTY / TTD
Other Features