Size

• 102 x 46 x 14 mm
• 4 x 1.8 x 0.5 inches

Weight

• 85 gr
• 3 oz

Available colors Jet Black
Pearl White
Screen

• 262.144 color TFD
• 176x220 pixel

Memory

• Memory Stick Micro™ (M2™) support
• Phone memory 64MB*

*Actual free memory may vary due to phone pre-configuration Networks

• EDGE
• GPRS
• GSM 850
• GSM 900
• GSM 1800
• GSM 1900

if you intend to use the phone with built-in cam, no music playing
the internal memory is good enough
it's 64MB, 3-4x more than W810, same as K790/K800
K550i-Specifications- Sony Ericsson

Nice phone, my brother picked one up yesterday. I played with it today, One feature i really like is the a2dp.

I agree that it is a nice feature to have on a phone. I think that the manufactures should be required to add this to all bluetooth mobile devices.