The Sony Ericsson T650i's screen size is 2.2 inches with x pixels resolution.
There is a processor (CPU).
The phone runs on proprietary operating system firmware.
You can take photos or capture video with the phone's onboard 3+ megapixel camera.
There is also a secondary front facing camera useful for video chat and self portraits.
Internal memory is 16 MB. An external, Memory Stick Micro (M2) (up to 2 GB) expansion slot is available for increased storage capacity.
The phone is powered by a Lithium Polymer (Li-Pol), 930 mAh battery. Sony's performance ratings are 12.5 days standby time, 420 minutes.