If you're thinking about buying the Sumvision SV04-M18 you've come to the right place. We compare a great variety of offers for the Sumvision SV04-M18. What does the Sumvision SV04-M18 have to offer ? The Sumvision SV04-M18 has an Integrated memory of 512MB. A MP3 song will normally take around 4 Mb if encoded at a stardard bitrate of 128 kbps, and a full movie file, encoded at DVD quality, won't take more than 1.3 Gb. Therefore, the Sumvision SV04-M18 will allow you carry a huge number of your favourite songs and videos in your pocket. The Sumvision SV04-M18 supports MP3 audio and video formats, so you'll be able to play virtually all available formats on the market. The Sumvision SV04-M18 offers 6 hours of battery life, which can be extended depending on the features you use. The Sumvision SV04-M18's weight is 40g, including the battery.