The Sony Ericsson W900 is a 3G/auio player manufactured by Sony Ericsson. The display of the device is a 240×320 pixel 262,000 color (an 18-bit color depth) 2,1 inch TFT QVGA screen. It has a swivel form factor, which makes the W900 larger than many other phones when folded open. In addition to the 470 MB of internal flash memory, it also supports the Memory Stick PRO Duo as external memory. It has class 10(4+1/3+2slots),32-48 kbit/s GPRS. The W900 can achieve data transfer rates of 384 kbit/s due to its 3G technology. It also includes Bluetooth, a 2 mega pixel digital camera with auto-focus and the ability to take QVGA video at 30 fps supplemented by a second VGA camera used for video calling and self-portraits and most advertised of all, its ability to play MP3 audio files in Walkman mode for up to 30 hours and its ability to play long length MPEG-4 videos. When using the W900 as a phone, the standby time is up to 379 hours and talktime of up to 8 hours and 40 minutes. Its dimensions are 109×24×49 mm (4.3×0.9×1.9 inches) and its weight is 148 g (5.2 oz). It also has an internal NVIDIA GoForce 4800 graphics processor and was bundled with the HPM-80 headset.